A151417 - OEIS

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

A151417 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`14`
`5`		`40`
`6`		`122`
`7`		`380`
`8`		`1217`
`9`		`3967`
`10`		`13137`
`11`		`44053`
`12`		`149321`
`13`		`510735`
`14`		`1760687`
`15`		`6111171`
`16`		`21338857`
`17`		`74906438`
`18`		`264192659`
`19`		`935757437`
`20`		`3327107090`
`21`		`11870683108`
`22`		`42486960839`
`23`		`152506832992`
`24`		`548875377127`
`25`		`1980241926132`
`26`		`7160483990345`
`27`		`25946243999559`
`28`		`94199923539220`
`29`		`342620238726110`
`30`		`1248274347651947`

[1,1,2,5,14,40,122,380,1217,3967,13137,44053, 149321,510735,1760687,6111171,21338857,74906438, 264192659,935757437,3327107090,11870683108, 42486960839,152506832992,548875377127, 1980241926132,7160483990345,25946243999559, 94199923539220,342620238726110,1248274347651947]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 1 22:05 EDT 2024. Contains 375597 sequences. (Running on oeis4.)