A126671 - OEIS

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A126671 as a triangular array

										0
									0		1
								0		1		3
							0		2		7		11
						0		6		26		46		50
					0		24		126		274		326		274
				0		120		744		1956		2844		2556		1764
			0		720		5160		16008		28092		30708		22212		13068
		0		5040		41040		147120		304464		401136		351504		212976		109584
	0		40320

A126671 as a square array

0	0	0	0	0	0	0	0	0	0
1	1	2	6	24	120	720	5040	40320
3	7	26	126	744	5160	41040
11	46	274	1956	16008	147120
50	326	2844	28092	304464
274	2556	30708	401136
1764	22212	351504
13068	212976
109584

A126671 as an upper right triangle

0	0	0	0	0	0	0	0	0	0
	1	1	2	6	24	120	720	5040	40320
		3	7	26	126	744	5160	41040
			11	46	274	1956	16008	147120
				50	326	2844	28092	304464
					274	2556	30708	401136
						1764	22212	351504
							13068	212976
								109584