A207274 - OEIS

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

A207274 as a simple table

`n`		`a(n)`
`1`		`31`
`2`		`961`
`3`		`2305`
`4`		`13067`
`5`		`52240`
`6`		`135686`
`7`		`467686`
`8`		`1233127`
`9`		`3284096`
`10`		`8655283`
`11`		`21076355`
`12`		`52058229`
`13`		`123345376`
`14`		`288255238`
`15`		`665907876`
`16`		`1506716940`
`17`		`3386544920`
`18`		`7505699199`
`19`		`16482389432`
`20`		`35903584588`
`21`		`77477997261`
`22`		`166138926351`
`23`		`353659351084`

[31,961,2305,13067,52240,135686,467686,1233127, 3284096,8655283,21076355,52058229,123345376, 288255238,665907876,1506716940,3386544920, 7505699199,16482389432,35903584588,77477997261, 166138926351,353659351084]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 16 11:08 EDT 2024. Contains 371711 sequences. (Running on oeis4.)