A180401 - OEIS

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A180401 as a triangular array

										1
									0		1
								0		1		1
							0		4		4		1
						0		36		33		10		1
					0		576		480		148		20		1
				0		14400		10960		3281		483		35		1
			0		518400		362880		103824		15552		1288		56		1
		0		25401600		16465680		4479336		663633		57916		2982		84		1
	0		1625702400		981872640		253732096		36690816		3252624		181312		6216		120		1

A180401 as a square array

1	0	0	0	0	0	0	0	0	0
1	1	4	36	576	14400	518400	25401600	1625702400
1	4	33	480	10960	362880	16465680	981872640
1	10	148	3281	103824	4479336	253732096
1	20	483	15552	663633	36690816
1	35	1288	57916	3252624
1	56	2982	181312
1	84	6216
1	120
1

A180401 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	1	1	4	36	576	14400	518400	25401600	1625702400
		1	4	33	480	10960	362880	16465680	981872640
			1	10	148	3281	103824	4479336	253732096
				1	20	483	15552	663633	36690816
					1	35	1288	57916	3252624
						1	56	2982	181312
							1	84	6216
								1	120
									1