A006897 - OEIS

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

A006897 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`8`
`4`		`19`
`5`		`53`
`6`		`209`
`7`		`1253`
`8`		`13599`
`9`		`288267`
`10`		`12293435`
`11`		`1031291299`
`12`		`166122463891`
`13`		`50668153831843`
`14`		`29104823811067331`
`15`		`31455590793615376099`
`16`		`64032471295321173271027`
`17`		`245999896624828253856990803`
`18`		`1787823725042236528801735181651`
`19`		`24639597076850046760911809226614419`

[1,2,4,8,19,53,209,1253,13599,288267,12293435, 1031291299,166122463891,50668153831843, 29104823811067331,31455590793615376099, 64032471295321173271027, 245999896624828253856990803, 1787823725042236528801735181651, 24639597076850046760911809226614419]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 1 14:59 EDT 2024. Contains 372174 sequences. (Running on oeis4.)