A111813 - OEIS

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A111813 as a triangular array

0

1 0

0 2 0

-2 0 4 0

0 -4 0 8 0

216 0 -8 0 16 0

0 432 0 -16 0 32 0

-568464 0 864 0 -32 0 64 0

0 -1136928 0 1728 0 -64 0 128 0

36058658688 0 -2273856 0 3456 0 -128 0 256 0

0 72117317376 0 -4547712 0 6912 0 -256 0 512 0

A111813 as a square array

`0`	`1`	`0`	`-2`	`0`	`216`	`0`	`-568464`	`0`	`36058658688`	`0`
`0`	`2`	`0`	`-4`	`0`	`432`	`0`	`-1136928`	`0`	`72117317376`
`0`	`4`	`0`	`-8`	`0`	`864`	`0`	`-2273856`	`0`
`0`	`8`	`0`	`-16`	`0`	`1728`	`0`	`-4547712`
`0`	`16`	`0`	`-32`	`0`	`3456`	`0`
`0`	`32`	`0`	`-64`	`0`	`6912`
`0`	`64`	`0`	`-128`	`0`
`0`	`128`	`0`	`-256`
`0`	`256`	`0`
`0`	`512`
`0`

A111813 as an upper right triangle

`0`	`1`	`0`	`-2`	`0`	`216`	`0`	`-568464`	`0`	`36058658688`	`0`
	`0`	`2`	`0`	`-4`	`0`	`432`	`0`	`-1136928`	`0`	`72117317376`
		`0`	`4`	`0`	`-8`	`0`	`864`	`0`	`-2273856`	`0`
			`0`	`8`	`0`	`-16`	`0`	`1728`	`0`	`-4547712`
				`0`	`16`	`0`	`-32`	`0`	`3456`	`0`
					`0`	`32`	`0`	`-64`	`0`	`6912`
						`0`	`64`	`0`	`-128`	`0`
							`0`	`128`	`0`	`-256`
								`0`	`256`	`0`
									`0`	`512`
										`0`

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Last modified April 23 13:51 EDT 2024. Contains 371914 sequences. (Running on oeis4.)