A180986 - OEIS

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A180986 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`3`
`3`		`3`
`4`		`4`
`5`		`6`
`6`		`4`
`7`		`5`
`8`		`10`
`9`		`10`
`10`		`5`
`11`		`6`
`12`		`15`
`13`		`20`
`14`		`15`
`15`		`6`
`16`		`7`
`17`		`21`
`18`		`35`
`19`		`35`
`20`		`21`
`21`		`7`
`22`		`8`
`23`		`28`
`24`		`56`
`25`		`70`
`26`		`56`
`27`		`28`
`28`		`8`
`29`		`9`
`30`		`36`
`31`		`84`
`32`		`126`
`33`		`126`
`34`		`84`
`35`		`36`
`36`		`9`
`37`		`10`
`38`		`45`
`39`		`120`
`40`		`210`
`41`		`252`
`42`		`210`
`43`		`120`
`44`		`45`
`45`		`10`
`46`		`11`
`47`		`55`
`48`		`165`
`49`		`330`
`50`		`462`
`51`		`462`
`52`		`330`
`53`		`165`
`54`		`55`
`55`		`11`
`56`		`12`
`57`		`66`
`58`		`220`
`59`		`495`
`60`		`792`
`61`		`924`
`62`		`792`
`63`		`495`
`64`		`220`
`65`		`66`
`66`		`12`
`67`		`13`
`68`		`78`
`69`		`286`
`70`		`715`

[2,3,3,4,6,4,5,10,10,5,6,15,20,15,6,7,21,35,35,21, 7,8,28,56,70,56,28,8,9,36,84,126,126,84,36,9,10, 45,120,210,252,210,120,45,10,11,55,165,330,462, 462,330,165,55,11,12,66,220,495,792,924,792,495, 220,66,12,13,78,286,715]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)