A014237 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A014237 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-1`
`3`		`-1`
`4`		`-1`
`5`		`2`
`6`		`3`
`7`		`5`
`8`		`5`
`9`		`8`
`10`		`13`
`11`		`13`
`12`		`17`
`13`		`20`
`14`		`21`
`15`		`23`
`16`		`28`
`17`		`33`
`18`		`34`
`19`		`39`
`20`		`41`
`21`		`41`
`22`		`46`
`23`		`49`
`24`		`54`
`25`		`61`
`26`		`63`
`27`		`64`
`28`		`67`
`29`		`67`
`30`		`69`
`31`		`82`
`32`		`85`
`33`		`89`
`34`		`90`
`35`		`99`
`36`		`100`
`37`		`105`
`38`		`109`
`39`		`112`
`40`		`117`
`41`		`122`
`42`		`123`
`43`		`131`
`44`		`131`
`45`		`134`
`46`		`135`
`47`		`146`
`48`		`157`
`49`		`159`
`50`		`160`
`51`		`163`
`52`		`167`
`53`		`167`
`54`		`176`
`55`		`181`
`56`		`186`
`57`		`191`
`58`		`191`
`59`		`196`

[1,-1,-1,-1,2,3,5,5,8,13,13,17,20,21,23,28,33,34, 39,41,41,46,49,54,61,63,64,67,67,69,82,85,89,90, 99,100,105,109,112,117,122,123,131,131,134,135, 146,157,159,160,163,167,167,176,181,186,191,191, 196]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)