A099251 - OEIS

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

A099251 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`15`
`4`		`91`
`5`		`603`
`6`		`4213`
`7`		`30537`
`8`		`227475`
`9`		`1730787`
`10`		`13393689`
`11`		`105089229`
`12`		`834086421`
`13`		`6684761125`
`14`		`54022715451`
`15`		`439742222071`
`16`		`3602118427251`
`17`		`29671013856627`
`18`		`245613376802185`
`19`		`2042162142208813`
`20`		`17047255430494497`
`21`		`142816973618414817`

[1,1,3,15,91,603,4213,30537,227475,1730787, 13393689,105089229,834086421,6684761125, 54022715451,439742222071,3602118427251, 29671013856627,245613376802185,2042162142208813, 17047255430494497,142816973618414817]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 17:38 EDT 2024. Contains 371797 sequences. (Running on oeis4.)