A009519 - OEIS

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

A009519 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`-1`
`4`		`12`
`5`		`-44`
`6`		`0`
`7`		`1364`
`8`		`-11312`
`9`		`34588`
`10`		`378900`
`11`		`-7237396`
`12`		`57785376`
`13`		`-13438424`
`14`		`-7111845832`
`15`		`116461238984`
`16`		`-835329363840`
`17`		`-6161526961904`
`18`		`288993527986032`
`19`		`-4444723274423248`
`20`		`22035938200252480`
`21`		`733027816359058816`

[0,1,-1,-1,12,-44,0,1364,-11312,34588,378900, -7237396,57785376,-13438424,-7111845832, 116461238984,-835329363840,-6161526961904, 288993527986032,-4444723274423248, 22035938200252480,733027816359058816]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)