A018816 - OEIS

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A018816 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`0`
`9`		`20`
`10`		`4`
`11`		`4`
`12`		`4`
`13`		`4`
`14`		`4`
`15`		`4`
`16`		`4`
`17`		`40`
`18`		`84`
`19`		`56`
`20`		`20`
`21`		`20`
`22`		`20`
`23`		`20`
`24`		`20`
`25`		`124`
`26`		`244`
`27`		`380`
`28`		`300`
`29`		`204`
`30`		`92`
`31`		`92`
`32`		`92`
`33`		`228`
`34`		`380`
`35`		`548`
`36`		`732`
`37`		`628`
`38`		`508`
`39`		`372`
`40`		`220`
`41`		`556`
`42`		`924`
`43`		`1324`
`44`		`1756`
`45`		`2220`
`46`		`1964`
`47`		`1676`
`48`		`1356`
`49`		`1204`
`50`		`1036`
`51`		`1268`
`52`		`1516`
`53`		`1780`
`54`		`2060`
`55`		`1908`
`56`		`1740`
`57`		`2252`
`58`		`2796`
`59`		`3372`

[0,0,0,0,0,0,0,0,0,20,4,4,4,4,4,4,4,40,84,56,20, 20,20,20,20,124,244,380,300,204,92,92,92,228,380, 548,732,628,508,372,220,556,924,1324,1756,2220, 1964,1676,1356,1204,1036,1268,1516,1780,2060,1908, 1740,2252,2796,3372]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)