A009447 - OEIS

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

A009447 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`-24`
`3`		`-624`
`4`		`-7424`
`5`		`242560`
`6`		`23499776`
`7`		`1002251264`
`8`		`-2151563264`
`9`		`-5583112077312`
`10`		`-666018502836224`
`11`		`-39230927775531008`
`12`		`2301688982196453376`
`13`		`1098354240121833783296`
`14`		`184678513097428042776576`

[1,2,-24,-624,-7424,242560,23499776,1002251264, -2151563264,-5583112077312,-666018502836224, -39230927775531008,2301688982196453376, 1098354240121833783296,184678513097428042776576]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 01:19 EDT 2024. Contains 371906 sequences. (Running on oeis4.)