A004306 - OEIS

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

A004306 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`44`
`6`		`80`
`7`		`144`
`8`		`264`
`9`		`484`
`10`		`888`
`11`		`1632`
`12`		`3000`
`13`		`5516`
`14`		`10144`
`15`		`18656`
`16`		`34312`
`17`		`63108`
`18`		`116072`
`19`		`213488`
`20`		`392664`
`21`		`722220`
`22`		`1328368`
`23`		`2443248`
`24`		`4493832`
`25`		`8265444`
`26`		`15202520`
`27`		`27961792`
`28`		`51429752`
`29`		`94594060`
`30`		`173985600`
`31`		`320009408`
`32`		`588589064`
`33`		`1082584068`
`34`		`1991182536`

[1,1,2,6,24,44,80,144,264,484,888,1632,3000,5516, 10144,18656,34312,63108,116072,213488,392664, 722220,1328368,2443248,4493832,8265444,15202520, 27961792,51429752,94594060,173985600,320009408, 588589064,1082584068,1991182536]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 16 05:35 EDT 2024. Contains 371697 sequences. (Running on oeis4.)