A006864 - OEIS

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

A006864 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`14`
`6`		`37`
`7`		`92`
`8`		`236`
`9`		`596`
`10`		`1517`
`11`		`3846`
`12`		`9770`
`13`		`24794`
`14`		`62953`
`15`		`159800`
`16`		`405688`
`17`		`1029864`
`18`		`2614457`
`19`		`6637066`
`20`		`16849006`
`21`		`42773094`
`22`		`108584525`
`23`		`275654292`
`24`		`699780452`
`25`		`1776473532`
`26`		`4509783909`
`27`		`11448608270`
`28`		`29063617746`
`29`		`73781357746`
`30`		`187302518353`
`31`		`475489124976`

[0,1,2,6,14,37,92,236,596,1517,3846,9770,24794, 62953,159800,405688,1029864,2614457,6637066, 16849006,42773094,108584525,275654292,699780452, 1776473532,4509783909,11448608270,29063617746, 73781357746,187302518353,475489124976]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 18 12:24 EDT 2024. Contains 375269 sequences. (Running on oeis4.)