A392857 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A392857 as a triangular array

										1
									0		1
								0		2		1
							0		12		6		1
						0		122		60		12		1
					0		1740		850		180		20		1
				0		31922		15540		3390		420		30		1
			0		715932		347774		77280		10150		840		42		1
		0		18978122		9205308		2071496		282240		25340		1512		56		1
	0		580513260		281274858		63878220		8926008		844200		55692		2520		72		1

A392857 as a square array

1	0	0	0	0	0	0	0	0	0
1	2	12	122	1740	31922	715932	18978122	580513260
1	6	60	850	15540	347774	9205308	281274858
1	12	180	3390	77280	2071496	63878220
1	20	420	10150	282240	8926008
1	30	840	25340	844200
1	42	1512	55692
1	56	2520
1	72
1

A392857 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	1	2	12	122	1740	31922	715932	18978122	580513260
		1	6	60	850	15540	347774	9205308	281274858
			1	12	180	3390	77280	2071496	63878220
				1	20	420	10150	282240	8926008
					1	30	840	25340	844200
						1	42	1512	55692
							1	56	2520
								1	72
									1