A065864 - OEIS

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A065864 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`1`
`6`		`0`
`7`		`1`
`8`		`0`
`9`		`4`
`10`		`4`
`11`		`5`
`12`		`5`
`13`		`6`
`14`		`6`
`15`		`6`
`16`		`6`
`17`		`7`
`18`		`7`
`19`		`8`
`20`		`8`
`21`		`8`
`22`		`8`
`23`		`9`
`24`		`9`
`25`		`9`
`26`		`9`
`27`		`9`
`28`		`9`
`29`		`10`
`30`		`10`
`31`		`11`
`32`		`11`
`33`		`11`
`34`		`11`
`35`		`11`
`36`		`11`
`37`		`12`
`38`		`12`
`39`		`12`
`40`		`12`
`41`		`13`
`42`		`13`
`43`		`14`
`44`		`14`
`45`		`14`
`46`		`14`
`47`		`15`
`48`		`15`
`49`		`15`
`50`		`15`
`51`		`15`
`52`		`15`
`53`		`16`
`54`		`16`
`55`		`16`
`56`		`16`
`57`		`16`
`58`		`16`
`59`		`17`
`60`		`17`
`61`		`18`
`62`		`18`
`63`		`18`
`64`		`18`
`65`		`18`
`66`		`18`
`67`		`19`
`68`		`19`
`69`		`19`
`70`		`19`
`71`		`20`
`72`		`20`
`73`		`21`
`74`		`21`
`75`		`21`
`76`		`21`
`77`		`21`
`78`		`21`

[0,0,0,0,1,0,1,0,4,4,5,5,6,6,6,6,7,7,8,8,8,8,9,9, 9,9,9,9,10,10,11,11,11,11,11,11,12,12,12,12,13,13, 14,14,14,14,15,15,15,15,15,15,16,16,16,16,16,16, 17,17,18,18,18,18,18,18,19,19,19,19,20,20,21,21, 21,21,21,21]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)