A167883 - OEIS

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A167883 as a triangular array

									1
								1		2
							1		10		10
						1		32		90		60
					1		74		594		1040		520
				1		224		2226		6684		7800		3120
			1		352		12124		95304		227052		215280		71760
		1		1058		38484		358656		1252980		2008152		1506960		430560
	1		1348		142264		4028712		32909556		97352640

A167883 as a square array

1	1	1	1	1	1	1	1	1
2	10	32	74	224	352	1058	1348
10	90	594	2226	12124	38484	142264
60	1040	6684	95304	358656	4028712
520	7800	227052	1252980	32909556
3120	215280	2008152	97352640
71760	1506960
430560

A167883 as an upper right triangle

1	1	1	1	1	1	1	1	1
	2	10	32	74	224	352	1058	1348
		10	90	594	2226	12124	38484	142264
			60	1040	6684	95304	358656	4028712
				520	7800	227052	1252980	32909556
					3120	215280	2008152	97352640
						71760	1506960
							430560