A221757 - OEIS

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A221757 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`4`
`3`		`0`
`4`		`43`
`5`		`44`
`6`		`736`
`7`		`1680`
`8`		`14548`
`9`		`47314`
`10`		`307629`
`11`		`1201506`
`12`		`6768794`
`13`		`29159864`
`14`		`152481584`
`15`		`692301668`
`16`		`3481342319`
`17`		`16253985408`
`18`		`80073291120`
`19`		`379418253880`
`20`		`1849109113064`
`21`		`8830193356854`
`22`		`42791854403241`
`23`		`205182113819686`

[0,4,0,43,44,736,1680,14548,47314,307629,1201506, 6768794,29159864,152481584,692301668,3481342319, 16253985408,80073291120,379418253880, 1849109113064,8830193356854,42791854403241, 205182113819686]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)