A123491 - OEIS

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

A123491 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`10`
`4`		`22`
`5`		`48`
`6`		`112`
`7`		`274`
`8`		`715`
`9`		`1982`
`10`		`5837`
`11`		`18180`
`12`		`59644`
`13`		`205296`
`14`		`739032`
`15`		`2775180`
`16`		`10846965`
`17`		`44039754`
`18`		`185391469`
`19`		`807776198`
`20`		`3637193474`
`21`		`16900721824`
`22`		`80939650552`
`23`		`399061251246`
`24`		`2023408865983`
`25`		`10540656630118`

[1,2,5,10,22,48,112,274,715,1982,5837,18180,59644, 205296,739032,2775180,10846965,44039754,185391469, 807776198,3637193474,16900721824,80939650552, 399061251246,2023408865983,10540656630118]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 07:26 EDT 2024. Contains 371799 sequences. (Running on oeis4.)