A162971 - OEIS

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A162971 as a triangular array

											1
										0		1
									0		3		1
								0		8		6		1
							0		30		35		10		1
						0		144		210		85		15		1
					0		840		1414		735		175		21		1
				0		5760		10752		6664		1960		322		28		1
			0		45360		91692		64764		22449		4536		546		36		1
		0		403200		869040		679580		268380		63273		9450		870		45		1
	0		3991680		9074736		7704180		3382280		902055		157773		18150		1320		55		1

A162971 as a square array

1	0	0	0	0	0	0	0	0	0	0
1	3	8	30	144	840	5760	45360	403200	3991680
1	6	35	210	1414	10752	91692	869040	9074736
1	10	85	735	6664	64764	679580	7704180
1	15	175	1960	22449	268380	3382280
1	21	322	4536	63273	902055
1	28	546	9450	157773
1	36	870	18150
1	45	1320
1	55
1

A162971 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0
	1	3	8	30	144	840	5760	45360	403200	3991680
		1	6	35	210	1414	10752	91692	869040	9074736
			1	10	85	735	6664	64764	679580	7704180
				1	15	175	1960	22449	268380	3382280
					1	21	322	4536	63273	902055
						1	28	546	9450	157773
							1	36	870	18150
								1	45	1320
									1	55
										1