A156612 - OEIS

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A156612 as a triangular array

1

1 1

1 1 2

1 1 0 6

1 1 -1 0 24

1 1 -2 -1 0 120

1 1 -3 -8 -1 0 720

1 1 -4 -27 32 2 0 5040

1 1 -5 -64 567 128 2 0 40320

1 1 -6 -125 3584 30618 -512 2 0 362880

1 1 -7 -216 14375 745472 -4317138 -2048 -4 0 3628800

A156612 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`0`	`-1`	`-2`	`-3`	`-4`	`-5`	`-6`	`-7`
`6`	`0`	`-1`	`-8`	`-27`	`-64`	`-125`	`-216`
`24`	`0`	`-1`	`32`	`567`	`3584`	`14375`
`120`	`0`	`2`	`128`	`30618`	`745472`
`720`	`0`	`2`	`-512`	`-4317138`
`5040`	`0`	`2`	`-2048`
`40320`	`0`	`-4`
`362880`	`0`
`3628800`

A156612 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`2`	`0`	`-1`	`-2`	`-3`	`-4`	`-5`	`-6`	`-7`
			`6`	`0`	`-1`	`-8`	`-27`	`-64`	`-125`	`-216`
				`24`	`0`	`-1`	`32`	`567`	`3584`	`14375`
					`120`	`0`	`2`	`128`	`30618`	`745472`
						`720`	`0`	`2`	`-512`	`-4317138`
							`5040`	`0`	`2`	`-2048`
								`40320`	`0`	`-4`
									`362880`	`0`
										`3628800`

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)