A131322 - OEIS

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

A131322 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`5`
`4`		`12`
`5`		`23`
`6`		`51`
`7`		`103`
`8`		`221`
`9`		`456`
`10`		`965`
`11`		`2009`
`12`		`4227`
`13`		`8833`
`14`		`18540`
`15`		`38803`
`16`		`81363`
`17`		`170399`
`18`		`357145`
`19`		`748176`
`20`		`1567849`
`21`		`3284833`
`22`		`6883059`
`23`		`14421533`
`24`		`30218028`
`25`		`63314735`
`26`		`132664227`
`27`		`277968871`
`28`		`582428789`
`29`		`1220356440`
`30`		`2557009709`

[1,1,3,5,12,23,51,103,221,456,965,2009,4227,8833, 18540,38803,81363,170399,357145,748176,1567849, 3284833,6883059,14421533,30218028,63314735, 132664227,277968871,582428789,1220356440, 2557009709]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)