A149431 - OEIS

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A149431 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`13`
`4`		`45`
`5`		`171`
`6`		`689`
`7`		`2756`
`8`		`11351`
`9`		`47976`
`10`		`204381`
`11`		`878826`
`12`		`3824025`
`13`		`16776688`
`14`		`74021638`
`15`		`328681019`
`16`		`1467532698`
`17`		`6581442360`
`18`		`29637099404`
`19`		`133969162219`
`20`		`607582367783`
`21`		`2763746150889`
`22`		`12606655549991`
`23`		`57648997909311`
`24`		`264223264007648`
`25`		`1213578131312042`
`26`		`5584897636305793`
`27`		`25748047536912449`

[1,1,4,13,45,171,689,2756,11351,47976,204381, 878826,3824025,16776688,74021638,328681019, 1467532698,6581442360,29637099404,133969162219, 607582367783,2763746150889,12606655549991, 57648997909311,264223264007648,1213578131312042, 5584897636305793,25748047536912449]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)