A003980 - OEIS

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A003980 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`2`
`5`		`4`
`6`		`2`
`7`		`7`
`8`		`4`
`9`		`6`
`10`		`4`
`11`		`12`
`12`		`4`
`13`		`20`
`14`		`7`
`15`		`8`
`16`		`8`
`17`		`33`
`18`		`6`
`19`		`54`
`20`		`8`
`21`		`14`
`22`		`12`
`23`		`88`
`24`		`8`
`25`		`20`
`26`		`20`
`27`		`18`
`28`		`14`
`29`		`143`
`30`		`8`
`31`		`232`
`32`		`16`
`33`		`24`
`34`		`33`
`35`		`28`
`36`		`12`
`37`		`376`
`38`		`54`
`39`		`40`
`40`		`16`
`41`		`609`
`42`		`14`
`43`		`986`
`44`		`24`
`45`		`24`
`46`		`88`
`47`		`1596`
`48`		`16`
`49`		`56`
`50`		`20`
`51`		`66`
`52`		`40`
`53`		`2583`
`54`		`18`
`55`		`48`
`56`		`28`
`57`		`108`
`58`		`143`
`59`		`4180`
`60`		`16`
`61`		`6764`
`62`		`232`
`63`		`42`
`64`		`32`
`65`		`80`
`66`		`24`
`67`		`10945`
`68`		`66`

[1,1,2,2,4,2,7,4,6,4,12,4,20,7,8,8,33,6,54,8,14, 12,88,8,20,20,18,14,143,8,232,16,24,33,28,12,376, 54,40,16,609,14,986,24,24,88,1596,16,56,20,66,40, 2583,18,48,28,108,143,4180,16,6764,232,42,32,80, 24,10945,66]

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)