A217770 - OEIS

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A217770 as a triangular array

												1
											1		1
										1		2		1
									1		3		3		1
								1		4		6		4		0
							1		5		10		10		4		0
						0		6		15		20		14		0		0
					0		6		21		35		34		14		0		0
				0		0		27		56		69		48		0		0		0
			0		0		27		83		125		117		48		0		0		0
		0		0		0		110		208		242		165		0		0		0		0
	0		0		0		110		318		450		407		165

A217770 as a square array

1	1	1	1	1	1	0	0	0	0	0	0
1	2	3	4	5	6	6	0	0	0	0
1	3	6	10	15	21	27	27	0	0
1	4	10	20	35	56	83	110	110
0	4	14	34	69	125	208	318
0	0	14	48	117	242	450
0	0	0	48	165	407
0	0	0	0	165
0	0	0
0	0
0

A217770 as an upper right triangle

1	1	1	1	1	1	0	0	0	0	0	0
	1	2	3	4	5	6	6	0	0	0	0
		1	3	6	10	15	21	27	27	0	0
			1	4	10	20	35	56	83	110	110
				0	4	14	34	69	125	208	318
					0	0	14	48	117	242	450
						0	0	0	48	165	407
							0	0	0	0	165
								0	0	0
									0	0
										0