A278656 - OEIS

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A278656 as a triangular array

									0
								0		0
							0		0		0
						0		24		24		0
					6		1076		3626		1076		6
				77		19893		210616		210616		19893		77
			504		235446		6920404		20667190		6920404		235446		504
		2304		2080575		159247403		1386399220		1386399220		159247403		2080575		2304
	8350		14836233

A278656 as a square array

0	0	0	0	6	77	504	2304	8350
0	0	24	1076	19893	235446	2080575	14836233
0	24	3626	210616	6920404	159247403
0	1076	210616	20667190	1386399220
6	19893	6920404	1386399220
77	235446	159247403
504	2080575
2304

A278656 as an upper right triangle

0	0	0	0	6	77	504	2304	8350
	0	0	24	1076	19893	235446	2080575	14836233
		0	24	3626	210616	6920404	159247403
			0	1076	210616	20667190	1386399220
				6	19893	6920404	1386399220
					77	235446	159247403
						504	2080575
							2304