A000239 - OEIS

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

A000239 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`8`
`5`		`28`
`6`		`143`
`7`		`933`
`8`		`7150`
`9`		`62310`
`10`		`607445`
`11`		`6545935`
`12`		`77232740`
`13`		`989893248`
`14`		`13692587323`
`15`		`203271723033`
`16`		`3223180454138`
`17`		`54362625941818`
`18`		`971708196867905`
`19`		`18347779304380995`
`20`		`364911199401630640`
`21`		`7624625589633857940`
`22`		`166977535317365068775`
`23`		`3824547112283439914893`
`24`		`91440772473772839055238`

[1,1,3,8,28,143,933,7150,62310,607445,6545935, 77232740,989893248,13692587323,203271723033, 3223180454138,54362625941818,971708196867905, 18347779304380995,364911199401630640, 7624625589633857940,166977535317365068775, 3824547112283439914893,91440772473772839055238]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 7 06:26 EDT 2024. Contains 372300 sequences. (Running on oeis4.)