A215563 - OEIS

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A215563 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`2`
`6`		`2`
`7`		`1`
`8`		`1`
`9`		`3`
`10`		`5`
`11`		`5`
`12`		`3`
`13`		`1`
`14`		`1`
`15`		`5`
`16`		`15`
`17`		`30`
`18`		`42`
`19`		`42`
`20`		`30`
`21`		`15`
`22`		`5`
`23`		`1`
`24`		`1`
`25`		`6`
`26`		`22`
`27`		`55`
`28`		`99`
`29`		`132`
`30`		`132`
`31`		`99`
`32`		`55`
`33`		`22`
`34`		`6`
`35`		`1`
`36`		`1`
`37`		`8`
`38`		`40`
`39`		`140`
`40`		`364`
`41`		`728`
`42`		`1144`
`43`		`1430`
`44`		`1430`
`45`		`1144`
`46`		`728`
`47`		`364`
`48`		`140`
`49`		`40`
`50`		`8`
`51`		`1`
`52`		`1`
`53`		`9`
`54`		`51`
`55`		`204`
`56`		`612`
`57`		`1428`
`58`		`2652`
`59`		`3978`
`60`		`4862`
`61`		`4862`
`62`		`3978`
`63`		`2652`
`64`		`1428`
`65`		`612`
`66`		`204`
`67`		`51`
`68`		`9`
`69`		`1`

[1,1,1,1,2,2,1,1,3,5,5,3,1,1,5,15,30,42,42,30,15, 5,1,1,6,22,55,99,132,132,99,55,22,6,1,1,8,40,140, 364,728,1144,1430,1430,1144,728,364,140,40,8,1,1, 9,51,204,612,1428,2652,3978,4862,4862,3978,2652, 1428,612,204,51,9,1]

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Last modified May 7 00:25 EDT 2024. Contains 372298 sequences. (Running on oeis4.)