A271700 - OEIS

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A271700 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`3`
`6`		`1`
`7`		`3`
`8`		`6`
`9`		`16`
`10`		`1`
`11`		`4`
`12`		`10`
`13`		`30`
`14`		`115`
`15`		`1`
`16`		`5`
`17`		`15`
`18`		`50`
`19`		`205`
`20`		`1021`
`21`		`1`
`22`		`6`
`23`		`21`
`24`		`77`
`25`		`336`
`26`		`1750`
`27`		`10696`
`28`		`1`
`29`		`7`
`30`		`28`
`31`		`112`
`32`		`518`
`33`		`2814`
`34`		`17766`
`35`		`128472`
`36`		`1`
`37`		`8`
`38`		`36`
`39`		`156`
`40`		`762`
`41`		`4308`
`42`		`28050`
`43`		`207942`
`44`		`1734447`
`45`		`1`
`46`		`9`
`47`		`45`
`48`		`210`
`49`		`1080`
`50`		`6342`
`51`		`42528`
`52`		`322860`
`53`		`2746815`
`54`		`25937683`

[1,1,1,1,2,3,1,3,6,16,1,4,10,30,115,1,5,15,50,205, 1021,1,6,21,77,336,1750,10696,1,7,28,112,518,2814, 17766,128472,1,8,36,156,762,4308,28050,207942, 1734447,1,9,45,210,1080,6342,42528,322860,2746815, 25937683]

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Last modified May 1 07:48 EDT 2024. Contains 372149 sequences. (Running on oeis4.)