A359447 - OEIS

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

A359447 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`-1`
`3`		`152`
`4`		`2224`
`5`		`9056`
`6`		`108736`
`7`		`-1`
`8`		`4532992`
`9`		`34674176`
`10`		`268684288`
`11`		`2280249344`
`12`		`18693763072`
`13`		`138890141696`
`14`		`1111848828928`
`15`		`8803419521024`
`16`		`70375767212032`
`17`		`564861779443712`
`18`		`4507018424221696`
`19`		`36030079546425344`
`20`		`288238419152207872`
`21`		`2305850719072157696`
`22`		`18446757709572210688`
`23`		`147573952867129622528`

[-1,-1,152,2224,9056,108736,-1,4532992,34674176, 268684288,2280249344,18693763072,138890141696, 1111848828928,8803419521024,70375767212032, 564861779443712,4507018424221696, 36030079546425344,288238419152207872, 2305850719072157696,18446757709572210688, 147573952867129622528]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 12 12:33 EDT 2024. Contains 372480 sequences. (Running on oeis4.)