A001263 - OEIS

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A001263 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`3`
`6`		`1`
`7`		`1`
`8`		`6`
`9`		`6`
`10`		`1`
`11`		`1`
`12`		`10`
`13`		`20`
`14`		`10`
`15`		`1`
`16`		`1`
`17`		`15`
`18`		`50`
`19`		`50`
`20`		`15`
`21`		`1`
`22`		`1`
`23`		`21`
`24`		`105`
`25`		`175`
`26`		`105`
`27`		`21`
`28`		`1`
`29`		`1`
`30`		`28`
`31`		`196`
`32`		`490`
`33`		`490`
`34`		`196`
`35`		`28`
`36`		`1`
`37`		`1`
`38`		`36`
`39`		`336`
`40`		`1176`
`41`		`1764`
`42`		`1176`
`43`		`336`
`44`		`36`
`45`		`1`
`46`		`1`
`47`		`45`
`48`		`540`
`49`		`2520`
`50`		`5292`
`51`		`5292`
`52`		`2520`
`53`		`540`
`54`		`45`
`55`		`1`
`56`		`1`
`57`		`55`
`58`		`825`
`59`		`4950`
`60`		`13860`
`61`		`19404`
`62`		`13860`
`63`		`4950`
`64`		`825`

[1,1,1,1,3,1,1,6,6,1,1,10,20,10,1,1,15,50,50,15,1, 1,21,105,175,105,21,1,1,28,196,490,490,196,28,1,1, 36,336,1176,1764,1176,336,36,1,1,45,540,2520,5292, 5292,2520,540,45,1,1,55,825,4950,13860,19404, 13860,4950,825]

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Last modified May 4 08:39 EDT 2024. Contains 372230 sequences. (Running on oeis4.)