A216454 - OEIS

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

A216454 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`9`
`3`		`30`
`4`		`107`
`5`		`396`
`6`		`1503`
`7`		`5820`
`8`		`22907`
`9`		`91371`
`10`		`368523`
`11`		`1500354`
`12`		`6157669`
`13`		`25448907`
`14`		`105821865`
`15`		`442409844`
`16`		`1858482563`
`17`		`7840766601`
`18`		`33207750819`
`19`		`141137445258`
`20`		`601768494201`
`21`		`2573246794374`
`22`		`11032997250357`
`23`		`47421297986868`
`24`		`204286464525165`
`25`		`881900059488741`

[1,3,9,30,107,396,1503,5820,22907,91371,368523, 1500354,6157669,25448907,105821865,442409844, 1858482563,7840766601,33207750819,141137445258, 601768494201,2573246794374,11032997250357, 47421297986868,204286464525165,881900059488741]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 02:12 EDT 2024. Contains 371782 sequences. (Running on oeis4.)