A293053 - OEIS

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A293053 as a triangular array

											1
										1		1
									1		0		3
								1		0		2		13
							1		0		0		6		73
						1		0		0		6		36		501
					1		0		0		0		24		240		4051
				1		0		0		0		24		120		1920		37633
			1		0		0		0		0		120		1080		17640		394353
		1		0		0		0		0		120		720		10080		183120		4596553
	1		0		0		0		0		0		720		5040		100800		2116800		58941091

A293053 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	0	0	0	0	0	0	0	0	0
3	2	0	0	0	0	0	0	0
13	6	6	0	0	0	0	0
73	36	24	24	0	0	0
501	240	120	120	120	0
4051	1920	1080	720	720
37633	17640	10080	5040
394353	183120	100800
4596553	2116800
58941091

A293053 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	0	0	0	0	0	0	0	0	0
		3	2	0	0	0	0	0	0	0
			13	6	6	0	0	0	0	0
				73	36	24	24	0	0	0
					501	240	120	120	120	0
						4051	1920	1080	720	720
							37633	17640	10080	5040
								394353	183120	100800
									4596553	2116800
										58941091