A131104 - OEIS

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A131104 as a triangular array

												1
											2		0
										3		0		0
									4		0		6		0
								5		0		18		8		0
							6		0		36		24		10		0
						7		0		60		48		120		12		0
					8		0		90		80		420		396		14		0
				9		0		126		120		1000		1512		1092		16		0
			10		0		168		168		1950		3720		6804		2736		18		0
		11		0		216		224		3360		7380		23240		31008		6480		20		0
	12		0

A131104 as a square array

1	2	3	4	5	6	7	8	9	10	11	12
0	0	0	0	0	0	0	0	0	0	0
0	6	18	36	60	90	126	168	216
0	8	24	48	80	120	168	224
0	10	120	420	1000	1950	3360
0	12	396	1512	3720	7380
0	14	1092	6804	23240
0	16	2736	31008
0	18	6480
0	20
0

A131104 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12
	0	0	0	0	0	0	0	0	0	0	0
		0	6	18	36	60	90	126	168	216
			0	8	24	48	80	120	168	224
				0	10	120	420	1000	1950	3360
					0	12	396	1512	3720	7380
						0	14	1092	6804	23240
							0	16	2736	31008
								0	18	6480
									0	20
										0