A289019 - OEIS

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

A289019 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`7`
`4`		`12`
`5`		`22`
`6`		`39`
`7`		`69`
`8`		`122`
`9`		`217`
`10`		`386`
`11`		`687`
`12`		`1224`
`13`		`2181`
`14`		`3883`
`15`		`6910`
`16`		`12305`
`17`		`21906`
`18`		`38991`
`19`		`69421`
`20`		`123609`
`21`		`220110`
`22`		`391929`
`23`		`697931`
`24`		`1242873`
`25`		`2213237`
`26`		`3941323`
`27`		`7018445`
`28`		`12497917`
`29`		`22255832`
`30`		`39632383`
`31`		`70576606`
`32`		`125680814`
`33`		`223808756`

[2,4,7,12,22,39,69,122,217,386,687,1224,2181,3883, 6910,12305,21906,38991,69421,123609,220110,391929, 697931,1242873,2213237,3941323,7018445,12497917, 22255832,39632383,70576606,125680814,223808756]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 15:03 EDT 2024. Contains 371793 sequences. (Running on oeis4.)