A049218 - OEIS

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A049218 as a triangular array

1

0 1

-2 0 1

0 -8 0 1

24 0 -20 0 1

0 184 0 -40 0 1

-720 0 784 0 -70 0 1

0 -8448 0 2464 0 -112 0 1

40320 0 -52352 0 6384 0 -168 0 1

0 648576 0 -229760 0 14448 0 -240 0 1

-3628800 0 5360256 0 -804320 0 29568 0 -330 0 1

A049218 as a square array

`1`	`0`	`-2`	`0`	`24`	`0`	`-720`	`0`	`40320`	`0`	`-3628800`
`1`	`0`	`-8`	`0`	`184`	`0`	`-8448`	`0`	`648576`	`0`
`1`	`0`	`-20`	`0`	`784`	`0`	`-52352`	`0`	`5360256`
`1`	`0`	`-40`	`0`	`2464`	`0`	`-229760`	`0`
`1`	`0`	`-70`	`0`	`6384`	`0`	`-804320`
`1`	`0`	`-112`	`0`	`14448`	`0`
`1`	`0`	`-168`	`0`	`29568`
`1`	`0`	`-240`	`0`
`1`	`0`	`-330`
`1`	`0`
`1`

A049218 as an upper right triangle

`1`	`0`	`-2`	`0`	`24`	`0`	`-720`	`0`	`40320`	`0`	`-3628800`
	`1`	`0`	`-8`	`0`	`184`	`0`	`-8448`	`0`	`648576`	`0`
		`1`	`0`	`-20`	`0`	`784`	`0`	`-52352`	`0`	`5360256`
			`1`	`0`	`-40`	`0`	`2464`	`0`	`-229760`	`0`
				`1`	`0`	`-70`	`0`	`6384`	`0`	`-804320`
					`1`	`0`	`-112`	`0`	`14448`	`0`
						`1`	`0`	`-168`	`0`	`29568`
							`1`	`0`	`-240`	`0`
								`1`	`0`	`-330`
									`1`	`0`
										`1`

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Last modified April 16 11:48 EDT 2024. Contains 371711 sequences. (Running on oeis4.)