A054646 - OEIS

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

A054646 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`21`
`4`		`75`
`5`		`151`
`6`		`1365`
`7`		`5461`
`8`		`14563`
`9`		`87381`
`10`		`184111`
`11`		`932067`
`12`		`5592405`
`13`		`13256071`
`14`		`26512143`
`15`		`357913941`
`16`		`1431655765`
`17`		`3817748707`
`18`		`22906492245`
`19`		`91625968981`
`20`		`244335917283`
`21`		`1466015503701`
`22`		`5212499568715`
`23`		`10424999137431`

[1,3,21,75,151,1365,5461,14563,87381,184111, 932067,5592405,13256071,26512143,357913941, 1431655765,3817748707,22906492245,91625968981, 244335917283,1466015503701,5212499568715, 10424999137431]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 08:25 EDT 2024. Contains 371964 sequences. (Running on oeis4.)