A149951 - OEIS

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

A149951 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`15`
`4`		`50`
`5`		`176`
`6`		`646`
`7`		`2452`
`8`		`9549`
`9`		`37961`
`10`		`153511`
`11`		`629732`
`12`		`2614885`
`13`		`10972374`
`14`		`46463260`
`15`		`198334111`
`16`		`852639288`
`17`		`3688754625`
`18`		`16049389276`
`19`		`70187680379`
`20`		`308375520541`
`21`		`1360617913209`
`22`		`6026613738270`
`23`		`26788857783196`
`24`		`119469665596501`
`25`		`534412213485831`
`26`		`2397257900073820`
`27`		`10781700156879226`

[1,2,5,15,50,176,646,2452,9549,37961,153511, 629732,2614885,10972374,46463260,198334111, 852639288,3688754625,16049389276,70187680379, 308375520541,1360617913209,6026613738270, 26788857783196,119469665596501,534412213485831, 2397257900073820,10781700156879226]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)