A000998 - OEIS

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

A000998 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`6`
`3`		`11`
`4`		`24`
`5`		`69`
`6`		`227`
`7`		`753`
`8`		`2451`
`9`		`8004`
`10`		`27138`
`11`		`97806`
`12`		`375313`
`13`		`1511868`
`14`		`6292884`
`15`		`26826701`
`16`		`116994453`
`17`		`523646202`
`18`		`2414394601`
`19`		`11487130362`
`20`		`56341183365`
`21`		`284110648983`
`22`		`1468690344087`
`23`		`7766823788295`
`24`		`41976012524088`
`25`		`231812530642644`
`26`		`1308325741771908`

[1,3,6,11,24,69,227,753,2451,8004,27138,97806, 375313,1511868,6292884,26826701,116994453, 523646202,2414394601,11487130362,56341183365, 284110648983,1468690344087,7766823788295, 41976012524088,231812530642644,1308325741771908]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)