A009425 - OEIS

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

A009425 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`5`
`4`		`-12`
`5`		`49`
`6`		`-225`
`7`		`1133`
`8`		`-8176`
`9`		`61665`
`10`		`-567225`
`11`		`5701365`
`12`		`-62634924`
`13`		`755601105`
`14`		`-9768453513`
`15`		`136547354973`
`16`		`-2041147352640`
`17`		`32565339301569`
`18`		`-552510593169489`
`19`		`9924462641102181`
`20`		`-188278493388946860`
`21`		`3759992000006225265`

[0,1,-1,5,-12,49,-225,1133,-8176,61665,-567225, 5701365,-62634924,755601105,-9768453513, 136547354973,-2041147352640,32565339301569, -552510593169489,9924462641102181, -188278493388946860,3759992000006225265]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)