A055794 - OEIS

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A055794 as a triangular array

													1
												1		1
											1		2		1
										1		3		2		1
									1		4		4		2		0
								1		5		7		4		1		0
							1		6		11		8		3		0		0
						1		7		16		15		7		1		0		0
					1		8		22		26		15		4		0		0		0
				1		9		29		42		30		11		1		0		0		0
			1		10		37		64		56		26		5		0		0		0		0
		1		11		46		93		98		56		16		1		0		0		0		0
	1		12		56		130		162		112		42		6		0		0		0		0		0

A055794 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
1	2	3	4	5	6	7	8	9	10	11	12
1	2	4	7	11	16	22	29	37	46	56
1	2	4	8	15	26	42	64	93	130
0	1	3	7	15	30	56	98	162
0	0	1	4	11	26	56	112
0	0	0	1	5	16	42
0	0	0	0	1	6
0	0	0	0	0
0	0	0	0
0	0	0
0	0
0

A055794 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	1	2	3	4	5	6	7	8	9	10	11	12
		1	2	4	7	11	16	22	29	37	46	56
			1	2	4	8	15	26	42	64	93	130
				0	1	3	7	15	30	56	98	162
					0	0	1	4	11	26	56	112
						0	0	0	1	5	16	42
							0	0	0	0	1	6
								0	0	0	0	0
									0	0	0	0
										0	0	0
											0	0
												0