A287377 - OEIS

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A287377 as a triangular array

					1
				1		1
			1		1		1
		1		1		1		22680
	1		1		5040		3742560		4540536000
1		1		113400		851370480		6518191680000		54111175679736000

A287377 as a square array

1	1	1	1	1	1
1	1	1	1	1
1	1	5040	113400
22680	3742560	851370480
4540536000	6518191680000
54111175679736000

A287377 as an upper right triangle

1	1	1	1	1	1
	1	1	1	1	1
		1	1	5040	113400
			22680	3742560	851370480
				4540536000	6518191680000
					54111175679736000