A269276 - OEIS

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A269276 as a triangular array

								0
							4		0
						24		108		0
					108		1368		1620		0
				432		13896		46872		20412		0
			1620		127512		1104264		1365336		236196		0
		5832		1104264		23549400		74853576		36673560		2598156		0
	20412		9211608		474819408		3719884392		4684312584		938176344

A269276 as a square array

0	4	24	108	432	1620	5832	20412
0	108	1368	13896	127512	1104264	9211608
0	1620	46872	1104264	23549400	474819408
0	20412	1365336	74853576	3719884392
0	236196	36673560	4684312584
0	2598156	938176344
0

A269276 as an upper right triangle

0	4	24	108	432	1620	5832	20412
	0	108	1368	13896	127512	1104264	9211608
		0	1620	46872	1104264	23549400	474819408
			0	20412	1365336	74853576	3719884392
				0	236196	36673560	4684312584
					0	2598156	938176344
						0