A217217 - OEIS

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

A217217 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`0`
`3`		`1`
`4`		`4`
`5`		`19`
`6`		`96`
`7`		`511`
`8`		`2832`
`9`		`16215`
`10`		`95374`
`11`		`573837`
`12`		`3520228`
`13`		`21961119`
`14`		`139038824`
`15`		`891817687`
`16`		`5787091552`
`17`		`37946582995`
`18`		`251173847170`
`19`		`1676831257693`
`20`		`11282156358500`
`21`		`76453813499219`
`22`		`521508969157826`
`23`		`3578990500062417`
`24`		`24700214881378152`
`25`		`171359711873508367`

[0,1,0,1,4,19,96,511,2832,16215,95374,573837, 3520228,21961119,139038824,891817687,5787091552, 37946582995,251173847170,1676831257693, 11282156358500,76453813499219,521508969157826, 3578990500062417,24700214881378152, 171359711873508367]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 8 08:54 EDT 2024. Contains 375753 sequences. (Running on oeis4.)