A277444 - OEIS

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A277444 as a triangular array

											0
										0		2
									0		0		6
								0		2		0		12
							0		0		42		24		20
						0		2		48		420		120		30
					0		0		306		2160		2420		360		42
				0		2		600		17532		27600		9750		840		56
			0		0		2442		115464		375260		191760		30702		1680		72
		0		2		6048		830100		4810680		4098510		917280		81032		3024		90
	0		0		20706		5745120		62813540		85691640		28669662		3406368		187560		5040		110

A277444 as a square array

0	0	0	0	0	0	0	0	0	0	0
2	0	2	0	2	0	2	0	2	0
6	0	42	48	306	600	2442	6048	20706
12	24	420	2160	17532	115464	830100	5745120
20	120	2420	27600	375260	4810680	62813540
30	360	9750	191760	4098510	85691640
42	840	30702	917280	28669662
56	1680	81032	3406368
72	3024	187560
90	5040
110

A277444 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0
	2	0	2	0	2	0	2	0	2	0
		6	0	42	48	306	600	2442	6048	20706
			12	24	420	2160	17532	115464	830100	5745120
				20	120	2420	27600	375260	4810680	62813540
					30	360	9750	191760	4098510	85691640
						42	840	30702	917280	28669662
							56	1680	81032	3406368
								72	3024	187560
									90	5040
										110