A078804 - OEIS

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A078804 as a triangular array

												1
											2		0
										3		1		1
									4		3		2		0
								5		6		4		2		1
							6		10		8		6		2		0
						7		15		15		13		6		3		1
					8		21		26		25		16		9		2		0
				9		28		42		45		36		22		9		4		1
			10		36		64		77		72		50		28		12		2		0
		11		45		93		126		133		106		70		34		13		5		1
	12		55		130		198		232		210		156		90		44		15		2		0
13

A078804 as a square array

1	2	3	4	5	6	7	8	9	10	11	12	13
0	1	3	6	10	15	21	28	36	45	55
1	2	4	8	15	26	42	64	93	130
0	2	6	13	25	45	77	126	198
1	2	6	16	36	72	133	232
0	3	9	22	50	106	210
1	2	9	28	70	156
0	4	12	34	90
1	2	13	44
0	5	15
1	2
0

A078804 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	3	6	10	15	21	28	36	45	55
		1	2	4	8	15	26	42	64	93	130
			0	2	6	13	25	45	77	126	198
				1	2	6	16	36	72	133	232
					0	3	9	22	50	106	210
						1	2	9	28	70	156
							0	4	12	34	90
								1	2	13	44
									0	5	15
										1	2
											0

												1
											2		0
										3		1		1
									4		3		2		0
								5		6		4		2		1
							6		10		8		6		2		0
						7		15		15		13		6		3		1
					8		21		26		25		16		9		2		0
				9		28		42		45		36		22		9		4		1
			10		36		64		77		72		50		28		12		2		0
		11		45		93		126		133		106		70		34		13		5		1
	12		55		130		198		232		210		156		90		44		15		2		0
13

1	2	3	4	5	6	7	8	9	10	11	12	13
0	1	3	6	10	15	21	28	36	45	55
1	2	4	8	15	26	42	64	93	130
0	2	6	13	25	45	77	126	198
1	2	6	16	36	72	133	232
0	3	9	22	50	106	210
1	2	9	28	70	156
0	4	12	34	90
1	2	13	44
0	5	15
1	2
0

1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	3	6	10	15	21	28	36	45	55
		1	2	4	8	15	26	42	64	93	130
			0	2	6	13	25	45	77	126	198
				1	2	6	16	36	72	133	232
					0	3	9	22	50	106	210
						1	2	9	28	70	156
							0	4	12	34	90
								1	2	13	44
									0	5	15
										1	2
											0

												1
											2		0
										3		1		1
									4		3		2		0
								5		6		4		2		1
							6		10		8		6		2		0
						7		15		15		13		6		3		1
					8		21		26		25		16		9		2		0
				9		28		42		45		36		22		9		4		1
			10		36		64		77		72		50		28		12		2		0
		11		45		93		126		133		106		70		34		13		5		1
	12		55		130		198		232		210		156		90		44		15		2		0
13

1	2	3	4	5	6	7	8	9	10	11	12	13
0	1	3	6	10	15	21	28	36	45	55
1	2	4	8	15	26	42	64	93	130
0	2	6	13	25	45	77	126	198
1	2	6	16	36	72	133	232
0	3	9	22	50	106	210
1	2	9	28	70	156
0	4	12	34	90
1	2	13	44
0	5	15
1	2
0

1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	3	6	10	15	21	28	36	45	55
		1	2	4	8	15	26	42	64	93	130
			0	2	6	13	25	45	77	126	198
				1	2	6	16	36	72	133	232
					0	3	9	22	50	106	210
						1	2	9	28	70	156
							0	4	12	34	90
								1	2	13	44
									0	5	15
										1	2
											0

												1
											2		0
										3		1		1
									4		3		2		0
								5		6		4		2		1
							6		10		8		6		2		0
						7		15		15		13		6		3		1
					8		21		26		25		16		9		2		0
				9		28		42		45		36		22		9		4		1
			10		36		64		77		72		50		28		12		2		0
		11		45		93		126		133		106		70		34		13		5		1
	12		55		130		198		232		210		156		90		44		15		2		0
13

1	2	3	4	5	6	7	8	9	10	11	12	13
0	1	3	6	10	15	21	28	36	45	55
1	2	4	8	15	26	42	64	93	130
0	2	6	13	25	45	77	126	198
1	2	6	16	36	72	133	232
0	3	9	22	50	106	210
1	2	9	28	70	156
0	4	12	34	90
1	2	13	44
0	5	15
1	2
0

1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	3	6	10	15	21	28	36	45	55
		1	2	4	8	15	26	42	64	93	130
			0	2	6	13	25	45	77	126	198
				1	2	6	16	36	72	133	232
					0	3	9	22	50	106	210
						1	2	9	28	70	156
							0	4	12	34	90
								1	2	13	44
									0	5	15
										1	2
											0