A149618 - OEIS

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A149618 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`5`
`3`		`15`
`4`		`65`
`5`		`231`
`6`		`1077`
`7`		`4077`
`8`		`19521`
`9`		`77847`
`10`		`375523`
`11`		`1542669`
`12`		`7503275`
`13`		`31482945`
`14`		`153831367`
`15`		`656080547`
`16`		`3217363353`
`17`		`13890626113`
`18`		`68303798347`
`19`		`297856509483`
`20`		`1467615828795`
`21`		`6451956824907`
`22`		`31844333302963`
`23`		`140944569490221`
`24`		`696579282949195`
`25`		`3100862322964479`
`26`		`15342444196387139`
`27`		`68634610543557457`

[1,1,5,15,65,231,1077,4077,19521,77847,375523, 1542669,7503275,31482945,153831367,656080547, 3217363353,13890626113,68303798347,297856509483, 1467615828795,6451956824907,31844333302963, 140944569490221,696579282949195,3100862322964479, 15342444196387139,68634610543557457]

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Last modified April 23 10:13 EDT 2024. Contains 371905 sequences. (Running on oeis4.)