A172431 - OEIS

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A172431 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`1`
`5`		`4`
`6`		`3`
`7`		`1`
`8`		`6`
`9`		`10`
`10`		`4`
`11`		`1`
`12`		`8`
`13`		`21`
`14`		`20`
`15`		`5`
`16`		`1`
`17`		`10`
`18`		`36`
`19`		`56`
`20`		`35`
`21`		`6`
`22`		`1`
`23`		`12`
`24`		`55`
`25`		`120`
`26`		`126`
`27`		`56`
`28`		`7`
`29`		`1`
`30`		`14`
`31`		`78`
`32`		`220`
`33`		`330`
`34`		`252`
`35`		`84`
`36`		`8`
`37`		`1`
`38`		`16`
`39`		`105`
`40`		`364`
`41`		`715`
`42`		`792`
`43`		`462`
`44`		`120`
`45`		`9`
`46`		`1`
`47`		`18`
`48`		`136`
`49`		`560`
`50`		`1365`
`51`		`2002`
`52`		`1716`
`53`		`792`
`54`		`165`
`55`		`10`

[1,1,2,1,4,3,1,6,10,4,1,8,21,20,5,1,10,36,56,35,6, 1,12,55,120,126,56,7,1,14,78,220,330,252,84,8,1, 16,105,364,715,792,462,120,9,1,18,136,560,1365, 2002,1716,792,165,10]

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Last modified May 20 05:07 EDT 2024. Contains 372703 sequences. (Running on oeis4.)