A081130 - OEIS

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A081130 as a triangular array

												0
											0		0
										0		0		0
									0		0		1		0
								0		0		1		3		0
							0		0		1		6		6		0
						0		0		1		9		24		10		0
					0		0		1		12		54		80		15		0
				0		0		1		15		96		270		240		21		0
			0		0		1		18		150		640		1215		672		28		0
		0		0		1		21		216		1250		3840		5103		1792		36		0
	0		0		1		24		294		2160		9375		21504		20412		4608		45		0

A081130 as a square array

0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0
0	1	1	1	1	1	1	1	1	1
0	3	6	9	12	15	18	21	24
0	6	24	54	96	150	216	294
0	10	80	270	640	1250	2160
0	15	240	1215	3840	9375
0	21	672	5103	21504
0	28	1792	20412
0	36	4608
0	45
0

A081130 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0
	0	0	0	0	0	0	0	0	0	0	0
		0	1	1	1	1	1	1	1	1	1
			0	3	6	9	12	15	18	21	24
				0	6	24	54	96	150	216	294
					0	10	80	270	640	1250	2160
						0	15	240	1215	3840	9375
							0	21	672	5103	21504
								0	28	1792	20412
									0	36	4608
										0	45
											0