A008287 - OEIS

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A008287 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`2`
`7`		`3`
`8`		`4`
`9`		`3`
`10`		`2`
`11`		`1`
`12`		`1`
`13`		`3`
`14`		`6`
`15`		`10`
`16`		`12`
`17`		`12`
`18`		`10`
`19`		`6`
`20`		`3`
`21`		`1`
`22`		`1`
`23`		`4`
`24`		`10`
`25`		`20`
`26`		`31`
`27`		`40`
`28`		`44`
`29`		`40`
`30`		`31`
`31`		`20`
`32`		`10`
`33`		`4`
`34`		`1`
`35`		`1`
`36`		`5`
`37`		`15`
`38`		`35`
`39`		`65`
`40`		`101`
`41`		`135`
`42`		`155`
`43`		`155`
`44`		`135`
`45`		`101`
`46`		`65`
`47`		`35`
`48`		`15`
`49`		`5`
`50`		`1`
`51`		`1`
`52`		`6`
`53`		`21`
`54`		`56`
`55`		`120`
`56`		`216`
`57`		`336`
`58`		`456`
`59`		`546`
`60`		`580`
`61`		`546`
`62`		`456`
`63`		`336`
`64`		`216`
`65`		`120`
`66`		`56`
`67`		`21`
`68`		`6`
`69`		`1`

[1,1,1,1,1,1,2,3,4,3,2,1,1,3,6,10,12,12,10,6,3,1, 1,4,10,20,31,40,44,40,31,20,10,4,1,1,5,15,35,65, 101,135,155,155,135,101,65,35,15,5,1,1,6,21,56, 120,216,336,456,546,580,546,456,336,216,120,56,21, 6,1]

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Last modified May 14 11:19 EDT 2024. Contains 372532 sequences. (Running on oeis4.)