A209421 - OEIS

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A209421 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`3`
`5`		`1`
`6`		`1`
`7`		`5`
`8`		`4`
`9`		`1`
`10`		`1`
`11`		`9`
`12`		`7`
`13`		`5`
`14`		`1`
`15`		`1`
`16`		`15`
`17`		`15`
`18`		`9`
`19`		`6`
`20`		`1`
`21`		`1`
`22`		`25`
`23`		`28`
`24`		`22`
`25`		`11`
`26`		`7`
`27`		`1`
`28`		`1`
`29`		`41`
`30`		`53`
`31`		`44`
`32`		`30`
`33`		`13`
`34`		`8`
`35`		`1`
`36`		`1`
`37`		`67`
`38`		`97`
`39`		`91`
`40`		`63`
`41`		`39`
`42`		`15`
`43`		`9`
`44`		`1`
`45`		`1`
`46`		`109`
`47`		`176`
`48`		`179`
`49`		`140`
`50`		`85`
`51`		`49`
`52`		`17`
`53`		`10`
`54`		`1`
`55`		`1`
`56`		`177`
`57`		`315`
`58`		`349`
`59`		`291`
`60`		`201`
`61`		`110`
`62`		`60`
`63`		`19`
`64`		`11`
`65`		`1`
`66`		`1`
`67`		`287`
`68`		`559`
`69`		`667`
`70`		`601`
`71`		`437`
`72`		`275`
`73`		`138`
`74`		`72`
`75`		`21`
`76`		`12`
`77`		`1`
`78`		`1`

[1,1,1,3,1,1,5,4,1,1,9,7,5,1,1,15,15,9,6,1,1,25, 28,22,11,7,1,1,41,53,44,30,13,8,1,1,67,97,91,63, 39,15,9,1,1,109,176,179,140,85,49,17,10,1,1,177, 315,349,291,201,110,60,19,11,1,1,287,559,667,601, 437,275,138,72,21,12,1,1]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)