A051715 - OEIS

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A051715 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`2`
`3`		`3`
`4`		`3`
`5`		`6`
`6`		`4`
`7`		`4`
`8`		`6`
`9`		`1`
`10`		`5`
`11`		`5`
`12`		`20`
`13`		`30`
`14`		`30`
`15`		`6`
`16`		`6`
`17`		`15`
`18`		`20`
`19`		`30`
`20`		`1`
`21`		`7`
`22`		`7`
`23`		`42`
`24`		`35`
`25`		`140`
`26`		`42`
`27`		`42`
`28`		`8`
`29`		`8`
`30`		`28`
`31`		`84`
`32`		`105`
`33`		`28`
`34`		`42`
`35`		`1`
`36`		`9`
`37`		`9`
`38`		`72`
`39`		`84`
`40`		`1`
`41`		`105`
`42`		`140`
`43`		`30`
`44`		`30`
`45`		`10`
`46`		`10`
`47`		`45`
`48`		`120`
`49`		`140`
`50`		`28`
`51`		`105`
`52`		`20`
`53`		`30`
`54`		`1`
`55`		`11`
`56`		`11`
`57`		`110`
`58`		`495`
`59`		`3960`
`60`		`924`
`61`		`231`
`62`		`165`
`63`		`220`
`64`		`66`
`65`		`66`
`66`		`12`
`67`		`12`
`68`		`66`
`69`		`55`
`70`		`495`
`71`		`264`
`72`		`308`
`73`		`132`
`74`		`165`
`75`		`44`
`76`		`66`
`77`		`1`

[1,2,2,3,3,6,4,4,6,1,5,5,20,30,30,6,6,15,20,30,1, 7,7,42,35,140,42,42,8,8,28,84,105,28,42,1,9,9,72, 84,1,105,140,30,30,10,10,45,120,140,28,105,20,30, 1,11,11,110,495,3960,924,231,165,220,66,66,12,12, 66,55,495,264,308,132,165,44,66,1]

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Last modified September 14 03:52 EDT 2024. Contains 375911 sequences. (Running on oeis4.)