A014421 - OEIS

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A014421 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`3`
`7`		`3`
`8`		`1`
`9`		`1`
`10`		`1`
`11`		`1`
`12`		`5`
`13`		`5`
`14`		`1`
`15`		`1`
`16`		`15`
`17`		`15`
`18`		`1`
`19`		`1`
`20`		`7`
`21`		`21`
`22`		`35`
`23`		`35`
`24`		`21`
`25`		`7`
`26`		`1`
`27`		`1`
`28`		`1`
`29`		`1`
`30`		`9`
`31`		`9`
`32`		`1`
`33`		`1`
`34`		`45`
`35`		`45`
`36`		`1`
`37`		`1`
`38`		`11`
`39`		`55`
`40`		`165`
`41`		`165`
`42`		`55`
`43`		`11`
`44`		`1`
`45`		`1`
`46`		`495`
`47`		`495`
`48`		`1`
`49`		`1`
`50`		`13`
`51`		`715`
`52`		`1287`
`53`		`1287`
`54`		`715`
`55`		`13`
`56`		`1`
`57`		`1`
`58`		`91`
`59`		`1001`
`60`		`3003`
`61`		`3003`
`62`		`1001`
`63`		`91`
`64`		`1`
`65`		`1`
`66`		`15`
`67`		`105`
`68`		`455`
`69`		`1365`
`70`		`3003`
`71`		`5005`

[1,1,1,1,1,1,3,3,1,1,1,1,5,5,1,1,15,15,1,1,7,21, 35,35,21,7,1,1,1,1,9,9,1,1,45,45,1,1,11,55,165, 165,55,11,1,1,495,495,1,1,13,715,1287,1287,715,13, 1,1,91,1001,3003,3003,1001,91,1,1,15,105,455,1365, 3003,5005]

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Last modified June 11 01:44 EDT 2024. Contains 373286 sequences. (Running on oeis4.)