A154603 - OEIS

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

A154603 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`11`
`5`		`31`
`6`		`110`
`7`		`400`
`8`		`1757`
`9`		`7861`
`10`		`41402`
`11`		`220540`
`12`		`1358183`
`13`		`8405203`
`14`		`59340710`
`15`		`418689544`
`16`		`3335855897`
`17`		`26440317193`
`18`		`234747589106`
`19`		`2065458479476`
`20`		`20224631361251`
`21`		`195625329965671`
`22`		`2094552876276830`
`23`		`22092621409440256`

[1,1,2,4,11,31,110,400,1757,7861,41402,220540, 1358183,8405203,59340710,418689544,3335855897, 26440317193,234747589106,2065458479476, 20224631361251,195625329965671,2094552876276830, 22092621409440256]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 5 07:59 EDT 2024. Contains 372257 sequences. (Running on oeis4.)