A124507 - OEIS

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A124507 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`23`
`3`		`111`
`4`		`535`
`5`		`2575`
`6`		`12391`
`7`		`59609`
`8`		`286751`
`9`		`1379410`
`10`		`6635623`
`11`		`31920519`
`12`		`153552935`
`13`		`738662922`
`14`		`3553321280`
`15`		`17093171648`
`16`		`82226315585`
`17`		`395547831244`
`18`		`1902773895292`
`19`		`9153250784394`
`20`		`44031505860632`
`21`		`211812562992413`
`22`		`1018919543279304`
`23`		`4901489415968642`

[1,4,23,111,535,2575,12391,59609,286751,1379410, 6635623,31920519,153552935,738662922,3553321280, 17093171648,82226315585,395547831244, 1902773895292,9153250784394,44031505860632, 211812562992413,1018919543279304,4901489415968642]

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Last modified April 24 14:23 EDT 2024. Contains 371960 sequences. (Running on oeis4.)