A277265 - OEIS

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A277265 as a triangular array

								0
							1		0
						2		12		2
					9		1200		3280		12
				44		498960		97193600		5972400		312
			265		415981440		14591060915200		73866846715200		31918489344		9600
		1854		615853022400		7390721380256614400		9022243072072662432000		287350869074488547328		393956489203200		416880
	14833		1477095102362880

A277265 as a square array

0	1	2	9	44	265	1854	14833
0	12	1200	498960	415981440	615853022400	1477095102362880
2	3280	97193600	14591060915200	7390721380256614400
12	5972400	73866846715200	9022243072072662432000
312	31918489344	287350869074488547328
9600	393956489203200
416880

A277265 as an upper right triangle

0	1	2	9	44	265	1854	14833
	0	12	1200	498960	415981440	615853022400	1477095102362880
		2	3280	97193600	14591060915200	7390721380256614400
			12	5972400	73866846715200	9022243072072662432000
				312	31918489344	287350869074488547328
					9600	393956489203200
						416880