A087689 - OEIS

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

A087689 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`31`
`4`		`54`
`5`		`1709`
`6`		`15536`
`7`		`1982837`
`8`		`33790906`
`9`		`2469747943`
`10`		`27183776108`
`11`		`55662119048981`
`12`		`241239187192714`
`13`		`1976140351325516359`
`14`		`28325754514689966424`
`15`		`4277270178238249409079`
`16`		`659561325495450888962794`

[1,4,31,54,1709,15536,1982837,33790906,2469747943, 27183776108,55662119048981,241239187192714, 1976140351325516359,28325754514689966424, 4277270178238249409079,659561325495450888962794]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 27 21:44 EDT 2024. Contains 372020 sequences. (Running on oeis4.)