A004691 - OEIS

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

A004691 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`5`
`6`		`10`
`7`		`15`
`8`		`25`
`9`		`42`
`10`		`67`
`11`		`131`
`12`		`220`
`13`		`351`
`14`		`571`
`15`		`1142`
`16`		`1733`
`17`		`3075`
`18`		`5030`
`19`		`10125`
`20`		`15155`
`21`		`25302`
`22`		`42457`
`23`		`67761`
`24`		`132440`
`25`		`222421`
`26`		`355061`
`27`		`577502`
`28`		`1154563`
`29`		`1754265`
`30`		`3131050`
`31`		`5105335`
`32`		`10236405`
`33`		`15343742`

[0,1,1,2,3,5,10,15,25,42,67,131,220,351,571,1142, 1733,3075,5030,10125,15155,25302,42457,67761, 132440,222421,355061,577502,1154563,1754265, 3131050,5105335,10236405,15343742]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 2 21:27 EDT 2024. Contains 374875 sequences. (Running on oeis4.)