A054581 - OEIS

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A054581 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`2`
`6`		`5`
`7`		`12`
`8`		`39`
`9`		`136`
`10`		`529`
`11`		`2171`
`12`		`9368`
`13`		`41534`
`14`		`188942`
`15`		`874906`
`16`		`4115060`
`17`		`19602156`
`18`		`94419351`
`19`		`459183768`
`20`		`2252217207`
`21`		`11130545494`
`22`		`55382155396`
`23`		`277255622646`
`24`		`1395731021610`
`25`		`7061871805974`
`26`		`35896206800034`
`27`		`183241761631584`

[0,1,1,1,2,5,12,39,136,529,2171,9368,41534,188942, 874906,4115060,19602156,94419351,459183768, 2252217207,11130545494,55382155396,277255622646, 1395731021610,7061871805974,35896206800034, 183241761631584]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)