A268601 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A268601 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`2`
`3`		`8`
`4`		`34`
`5`		`120`
`6`		`468`
`7`		`1680`
`8`		`6530`
`9`		`23960`
`10`		`93532`
`11`		`348656`
`12`		`1366260`
`13`		`5149872`
`14`		`20238696`
`15`		`76907808`
`16`		`302903874`
`17`		`1158168792`
`18`		`4569270156`
`19`		`17555689008`
`20`		`69356428284`
`21`		`267518448912`
`22`		`1058057586456`
`23`		`4094231982048`
`24`		`16208177203764`
`25`		`62887835652720`
`26`		`249156625186328`
`27`		`968943740083040`
`28`		`3841488520364200`
`29`		`14968574892499040`
`30`		`59379627044952528`

[0,0,2,8,34,120,468,1680,6530,23960,93532,348656, 1366260,5149872,20238696,76907808,302903874, 1158168792,4569270156,17555689008,69356428284, 267518448912,1058057586456,4094231982048, 16208177203764,62887835652720,249156625186328, 968943740083040,3841488520364200, 14968574892499040,59379627044952528]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)