A104558 - OEIS

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A104558 as a triangular array

													1
												-1		1
											0		-2		1
										0		2		-4		1
									0		0		6		-6		1
								0		0		-6		18		-9		1
							0		0		0		-24		36		-12		1
						0		0		0		24		-96		72		-16		1
					0		0		0		0		120		-240		120		-20		1
				0		0		0		0		-120		600		-600		200		-25		1
			0		0		0		0		0		-720		1800		-1200		300		-30		1
		0		0		0		0		0		720		-4320		5400		-2400		450		-36		1
	0		0		0		0		0		0		5040		-15120		12600		-4200		630		-42		1

A104558 as a square array

1	-1	0	0	0	0	0	0	0	0	0	0	0
1	-2	2	0	0	0	0	0	0	0	0	0
1	-4	6	-6	0	0	0	0	0	0	0
1	-6	18	-24	24	0	0	0	0	0
1	-9	36	-96	120	-120	0	0	0
1	-12	72	-240	600	-720	720	0
1	-16	120	-600	1800	-4320	5040
1	-20	200	-1200	5400	-15120
1	-25	300	-2400	12600
1	-30	450	-4200
1	-36	630
1	-42
1

A104558 as an upper right triangle

1	-1	0	0	0	0	0	0	0	0	0	0	0
	1	-2	2	0	0	0	0	0	0	0	0	0
		1	-4	6	-6	0	0	0	0	0	0	0
			1	-6	18	-24	24	0	0	0	0	0
				1	-9	36	-96	120	-120	0	0	0
					1	-12	72	-240	600	-720	720	0
						1	-16	120	-600	1800	-4320	5040
							1	-20	200	-1200	5400	-15120
								1	-25	300	-2400	12600
									1	-30	450	-4200
										1	-36	630
											1	-42
												1