A157404 - OEIS

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A157404 as a triangular array

								1
							1		4
						1		12		36
					1		72		144		504
				1		280		1800		2520		9576
			1		1740		22320		37800		57456		229824
		1		8484		182700		864360		1005480		1608768		6664896
	1		57232		2380896		16546320		26276544		32175360		53319168		226606464

A157404 as a square array

1	1	1	1	1	1	1	1
4	12	72	280	1740	8484	57232
36	144	1800	22320	182700	2380896
504	2520	37800	864360	16546320
9576	57456	1005480	26276544
229824	1608768	32175360
6664896	53319168
226606464

A157404 as an upper right triangle

1	1	1	1	1	1	1	1
	4	12	72	280	1740	8484	57232
		36	144	1800	22320	182700	2380896
			504	2520	37800	864360	16546320
				9576	57456	1005480	26276544
					229824	1608768	32175360
						6664896	53319168
							226606464