A097948 - OEIS

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

A097948 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`4`
`2`		`-13`
`3`		`49`
`4`		`-181`
`5`		`676`
`6`		`-2521`
`7`		`9409`
`8`		`-35113`
`9`		`131044`
`10`		`-489061`
`11`		`1825201`
`12`		`-6811741`
`13`		`25421764`
`14`		`-94875313`
`15`		`354079489`
`16`		`-1321442641`
`17`		`4931691076`
`18`		`-18405321661`
`19`		`68689595569`
`20`		`-256353060613`
`21`		`956722646884`
`22`		`-3570537526921`
`23`		`13325427460801`
`24`		`-49731172316281`
`25`		`185599261804324`

[-1,4,-13,49,-181,676,-2521,9409,-35113,131044, -489061,1825201,-6811741,25421764,-94875313, 354079489,-1321442641,4931691076,-18405321661, 68689595569,-256353060613,956722646884, -3570537526921,13325427460801,-49731172316281, 185599261804324]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 19:24 EDT 2024. Contains 371962 sequences. (Running on oeis4.)