A355609 - OEIS

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A355609 as a triangular array

												1
											1		1
										1		0		2
									1		0		2		6
								1		0		0		3		24
							1		0		0		6		20		120
						1		0		0		0		12		90		720
					1		0		0		0		24		40		594		5040
				1		0		0		0		0		60		540		4200		40320
			1		0		0		0		0		120		240		3528		34544		362880
		1		0		0		0		0		0		360		1260		25200		316008		3628800
	1		0		0		0		0		0		720		1680		28224		263520		3207240		39916800

A355609 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
1	0	0	0	0	0	0	0	0	0	0
2	2	0	0	0	0	0	0	0	0
6	3	6	0	0	0	0	0	0
24	20	12	24	0	0	0	0
120	90	40	60	120	0	0
720	594	540	240	360	720
5040	4200	3528	1260	1680
40320	34544	25200	28224
362880	316008	263520
3628800	3207240
39916800

A355609 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	1	0	0	0	0	0	0	0	0	0	0
		2	2	0	0	0	0	0	0	0	0
			6	3	6	0	0	0	0	0	0
				24	20	12	24	0	0	0	0
					120	90	40	60	120	0	0
						720	594	540	240	360	720
							5040	4200	3528	1260	1680
								40320	34544	25200	28224
									362880	316008	263520
										3628800	3207240
											39916800