A321686 - OEIS

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A321686 as a triangular array

										1
									0		2
								0		1		6
							0		2		6		24
						0		1		14		36		120
					0		2		40		108		240		720
				0		1		59		348		900		1800		5040
			0		2		112		1486		3300		8160		15120		40320
		0		1		287		3056		15744		33960		80640		141120		362880
	0		2		448		10012		76776		180000		378000		866880		1451520		3628800

A321686 as a square array

1	0	0	0	0	0	0	0	0	0
2	1	2	1	2	1	2	1	2
6	6	14	40	59	112	287	448
24	36	108	348	1486	3056	10012
120	240	900	3300	15744	76776
720	1800	8160	33960	180000
5040	15120	80640	378000
40320	141120	866880
362880	1451520
3628800

A321686 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	2	1	2	1	2	1	2	1	2
		6	6	14	40	59	112	287	448
			24	36	108	348	1486	3056	10012
				120	240	900	3300	15744	76776
					720	1800	8160	33960	180000
						5040	15120	80640	378000
							40320	141120	866880
								362880	1451520
									3628800