A249785 - OEIS

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

A249785 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`4`
`4`		`-19`
`5`		`160`
`6`		`-1405`
`7`		`17920`
`8`		`-231175`
`9`		`3942400`
`10`		`-67260025`
`11`		`1435033600`
`12`		`-30485899675`
`13`		`780658278400`
`14`		`-19861319603125`
`15`		`593300291584000`
`16`		`-17590824363487375`
`17`		`600419895083008000`
`18`		`-20332162643728560625`
`19`		`780545863607910400000`
`20`		`-29725015420426543091875`
`21`		`1267606482499246489600000`

[1,1,-1,4,-19,160,-1405,17920,-231175,3942400, -67260025,1435033600,-30485899675,780658278400, -19861319603125,593300291584000, -17590824363487375,600419895083008000, -20332162643728560625,780545863607910400000, -29725015420426543091875, 1267606482499246489600000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)