A287988 - OEIS

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A287988 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`56`
`3`		`396`
`4`		`2040`
`5`		`9130`
`6`		`37944`
`7`		`151172`
`8`		`586608`
`9`		`2235618`
`10`		`8407640`
`11`		`31292844`
`12`		`115494312`
`13`		`423283562`
`14`		`1542120664`
`15`		`5589611460`
`16`		`20170172896`
`17`		`72499928322`
`18`		`259692909048`
`19`		`927342338956`
`20`		`3302291258200`
`21`		`11730149911914`
`22`		`41572470711288`
`23`		`147031327493572`
`24`		`519029653663056`

[2,56,396,2040,9130,37944,151172,586608,2235618, 8407640,31292844,115494312,423283562,1542120664, 5589611460,20170172896,72499928322,259692909048, 927342338956,3302291258200,11730149911914, 41572470711288,147031327493572,519029653663056]

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Last modified April 24 06:07 EDT 2024. Contains 371918 sequences. (Running on oeis4.)