A254881 - OEIS

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

A254881 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`1`
`4`		`0`
`5`		`2`
`6`		`5`
`7`		`4`
`8`		`1`
`9`		`0`
`10`		`12`
`11`		`40`
`12`		`51`
`13`		`31`
`14`		`9`
`15`		`1`
`16`		`0`
`17`		`144`
`18`		`564`
`19`		`904`
`20`		`769`
`21`		`376`
`22`		`106`
`23`		`16`
`24`		`1`
`25`		`0`
`26`		`2880`
`27`		`12576`
`28`		`23300`
`29`		`24080`
`30`		`15345`
`31`		`6273`
`32`		`1650`
`33`		`270`
`34`		`25`
`35`		`1`
`36`		`0`
`37`		`86400`
`38`		`408960`
`39`		`840216`
`40`		`991276`
`41`		`748530`
`42`		`381065`
`43`		`133848`
`44`		`32523`
`45`		`5370`
`46`		`575`
`47`		`36`
`48`		`1`
`49`		`0`
`50`		`3628800`
`51`		`18299520`

[1,0,1,1,0,2,5,4,1,0,12,40,51,31,9,1,0,144,564, 904,769,376,106,16,1,0,2880,12576,23300,24080, 15345,6273,1650,270,25,1,0,86400,408960,840216, 991276,748530,381065,133848,32523,5370,575,36,1,0, 3628800,18299520]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 6 14:37 EDT 2024. Contains 372294 sequences. (Running on oeis4.)