A261507 - OEIS

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A261507 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`2`
`7`		`1`
`8`		`1`
`9`		`3`
`10`		`3`
`11`		`1`
`12`		`1`
`13`		`5`
`14`		`10`
`15`		`10`
`16`		`5`
`17`		`1`
`18`		`1`
`19`		`8`
`20`		`28`
`21`		`56`
`22`		`70`
`23`		`56`
`24`		`28`
`25`		`8`
`26`		`1`
`27`		`1`
`28`		`13`
`29`		`78`
`30`		`286`
`31`		`715`
`32`		`1287`
`33`		`1716`
`34`		`1716`
`35`		`1287`
`36`		`715`
`37`		`286`
`38`		`78`
`39`		`13`
`40`		`1`
`41`		`1`
`42`		`21`
`43`		`210`
`44`		`1330`
`45`		`5985`
`46`		`20349`
`47`		`54264`
`48`		`116280`
`49`		`203490`
`50`		`293930`
`51`		`352716`
`52`		`352716`
`53`		`293930`
`54`		`203490`
`55`		`116280`
`56`		`54264`
`57`		`20349`
`58`		`5985`
`59`		`1330`
`60`		`210`
`61`		`21`
`62`		`1`

[1,1,1,1,1,1,2,1,1,3,3,1,1,5,10,10,5,1,1,8,28,56, 70,56,28,8,1,1,13,78,286,715,1287,1716,1716,1287, 715,286,78,13,1,1,21,210,1330,5985,20349,54264, 116280,203490,293930,352716,352716,293930,203490, 116280,54264,20349,5985,1330,210,21,1]

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Last modified April 18 15:48 EDT 2024. Contains 371780 sequences. (Running on oeis4.)