A181230 - OEIS

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A181230 as a triangular array

										2
									2		2
								0		10		0
							0		24		24		0
						0		24		264		24		0
					0		0		1608		1608		0		0
				0		0		6720		33864		6720		0		0
			0		0		20160		483840		483840		20160		0		0
		0		0		40320		5644800		19158720		5644800		40320		0		0
	0		0		40320		57415680		595506240		595506240		57415680		40320

A181230 as a square array

2	2	0	0	0	0	0	0	0	0
2	10	24	24	0	0	0	0	0
0	24	264	1608	6720	20160	40320	40320
0	24	1608	33864	483840	5644800	57415680
0	0	6720	483840	19158720	595506240
0	0	20160	5644800	595506240
0	0	40320	57415680
0	0	40320
0

A181230 as an upper right triangle

2	2	0	0	0	0	0	0	0	0
	2	10	24	24	0	0	0	0	0
		0	24	264	1608	6720	20160	40320	40320
			0	24	1608	33864	483840	5644800	57415680
				0	0	6720	483840	19158720	595506240
					0	0	20160	5644800	595506240
						0	0	40320	57415680
							0	0	40320
								0