A290429 - OEIS

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A290429 as a triangular array

													1
												1		0
											1		1		0
										1		2		0		0
									1		3		1		0		0
								1		4		3		0		1		0
							1		5		6		1		2		0		0
						1		6		10		4		3		2		0		0
					1		7		15		10		5		6		0		0		0
				1		8		21		20		10		12		3		0		0		0
			1		9		28		35		21		21		12		0		1		0		0
		1		10		36		56		42		36		30		4		3		0		1		0
	1		11		45		84		78		63		61		20		6		3		2		0		0
1		12		55		120		135		112		112		60		15		12		3		2		0		0

A290429 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	2	3	4	5	6	7	8	9	10	11	12
0	0	1	3	6	10	15	21	28	36	45	55
0	0	0	1	4	10	20	35	56	84	120
0	1	2	3	5	10	21	42	78	135
0	0	2	6	12	21	36	63	112
0	0	0	3	12	30	61	112
0	0	0	0	4	20	60
0	0	1	3	6	15
0	0	0	3	12
0	1	2	3
0	0	2
0	0
0

A290429 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	0	1	3	6	10	15	21	28	36	45	55
			0	0	0	1	4	10	20	35	56	84	120
				0	1	2	3	5	10	21	42	78	135
					0	0	2	6	12	21	36	63	112
						0	0	0	3	12	30	61	112
							0	0	0	0	4	20	60
								0	0	1	3	6	15
									0	0	0	3	12
										0	1	2	3
											0	0	2
												0	0
													0

													1
												1		0
											1		1		0
										1		2		0		0
									1		3		1		0		0
								1		4		3		0		1		0
							1		5		6		1		2		0		0
						1		6		10		4		3		2		0		0
					1		7		15		10		5		6		0		0		0
				1		8		21		20		10		12		3		0		0		0
			1		9		28		35		21		21		12		0		1		0		0
		1		10		36		56		42		36		30		4		3		0		1		0
	1		11		45		84		78		63		61		20		6		3		2		0		0
1		12		55		120		135		112		112		60		15		12		3		2		0		0

1	1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	2	3	4	5	6	7	8	9	10	11	12
0	0	1	3	6	10	15	21	28	36	45	55
0	0	0	1	4	10	20	35	56	84	120
0	1	2	3	5	10	21	42	78	135
0	0	2	6	12	21	36	63	112
0	0	0	3	12	30	61	112
0	0	0	0	4	20	60
0	0	1	3	6	15
0	0	0	3	12
0	1	2	3
0	0	2
0	0
0

1	1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	0	1	3	6	10	15	21	28	36	45	55
			0	0	0	1	4	10	20	35	56	84	120
				0	1	2	3	5	10	21	42	78	135
					0	0	2	6	12	21	36	63	112
						0	0	0	3	12	30	61	112
							0	0	0	0	4	20	60
								0	0	1	3	6	15
									0	0	0	3	12
										0	1	2	3
											0	0	2
												0	0
													0

													1
												1		0
											1		1		0
										1		2		0		0
									1		3		1		0		0
								1		4		3		0		1		0
							1		5		6		1		2		0		0
						1		6		10		4		3		2		0		0
					1		7		15		10		5		6		0		0		0
				1		8		21		20		10		12		3		0		0		0
			1		9		28		35		21		21		12		0		1		0		0
		1		10		36		56		42		36		30		4		3		0		1		0
	1		11		45		84		78		63		61		20		6		3		2		0		0
1		12		55		120		135		112		112		60		15		12		3		2		0		0

1	1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	2	3	4	5	6	7	8	9	10	11	12
0	0	1	3	6	10	15	21	28	36	45	55
0	0	0	1	4	10	20	35	56	84	120
0	1	2	3	5	10	21	42	78	135
0	0	2	6	12	21	36	63	112
0	0	0	3	12	30	61	112
0	0	0	0	4	20	60
0	0	1	3	6	15
0	0	0	3	12
0	1	2	3
0	0	2
0	0
0

1	1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	0	1	3	6	10	15	21	28	36	45	55
			0	0	0	1	4	10	20	35	56	84	120
				0	1	2	3	5	10	21	42	78	135
					0	0	2	6	12	21	36	63	112
						0	0	0	3	12	30	61	112
							0	0	0	0	4	20	60
								0	0	1	3	6	15
									0	0	0	3	12
										0	1	2	3
											0	0	2
												0	0
													0

													1
												1		0
											1		1		0
										1		2		0		0
									1		3		1		0		0
								1		4		3		0		1		0
							1		5		6		1		2		0		0
						1		6		10		4		3		2		0		0
					1		7		15		10		5		6		0		0		0
				1		8		21		20		10		12		3		0		0		0
			1		9		28		35		21		21		12		0		1		0		0
		1		10		36		56		42		36		30		4		3		0		1		0
	1		11		45		84		78		63		61		20		6		3		2		0		0
1		12		55		120		135		112		112		60		15		12		3		2		0		0

1	1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	2	3	4	5	6	7	8	9	10	11	12
0	0	1	3	6	10	15	21	28	36	45	55
0	0	0	1	4	10	20	35	56	84	120
0	1	2	3	5	10	21	42	78	135
0	0	2	6	12	21	36	63	112
0	0	0	3	12	30	61	112
0	0	0	0	4	20	60
0	0	1	3	6	15
0	0	0	3	12
0	1	2	3
0	0	2
0	0
0

1	1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	0	1	3	6	10	15	21	28	36	45	55
			0	0	0	1	4	10	20	35	56	84	120
				0	1	2	3	5	10	21	42	78	135
					0	0	2	6	12	21	36	63	112
						0	0	0	3	12	30	61	112
							0	0	0	0	4	20	60
								0	0	1	3	6	15
									0	0	0	3	12
										0	1	2	3
											0	0	2
												0	0
													0