A022031 - OEIS

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

A022031 as a simple table

`n`		`a(n)`
`0`		`4`
`1`		`17`
`2`		`72`
`3`		`304`
`4`		`1283`
`5`		`5414`
`6`		`22845`
`7`		`96397`
`8`		`406757`
`9`		`1716352`
`10`		`7242319`
`11`		`30559689`
`12`		`128949662`
`13`		`544115986`
`14`		`2295951781`
`15`		`9687997993`
`16`		`40879475731`
`17`		`172495033261`
`18`		`727860031657`
`19`		`3071278144467`
`20`		`12959565068034`
`21`		`54684179957837`
`22`		`230745362360740`
`23`		`973653116715681`
`24`		`4108426630946045`

[4,17,72,304,1283,5414,22845,96397,406757,1716352, 7242319,30559689,128949662,544115986,2295951781, 9687997993,40879475731,172495033261,727860031657, 3071278144467,12959565068034,54684179957837, 230745362360740,973653116715681,4108426630946045]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)