A013307 - OEIS

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

A013307 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-1`
`3`		`-1`
`4`		`-43`
`5`		`-221`
`6`		`-89513`
`7`		`-149749`
`8`		`-1084711`
`9`		`-209435`
`10`		`-27633784271`
`11`		`-1480512386621`
`12`		`-7957100794591`
`13`		`-26770890495311`
`14`		`-8901132809862257`
`15`		`-397417885842749047`
`16`		`-4636876735719615641`

[1,-1,-1,-43,-221,-89513,-149749,-1084711,-209435, -27633784271,-1480512386621,-7957100794591, -26770890495311,-8901132809862257, -397417885842749047,-4636876735719615641]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 2 12:20 EDT 2024. Contains 372196 sequences. (Running on oeis4.)