A020497 - OEIS

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

A020497 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`7`
`4`		`9`
`5`		`13`
`6`		`17`
`7`		`21`
`8`		`27`
`9`		`31`
`10`		`33`
`11`		`37`
`12`		`43`
`13`		`49`
`14`		`51`
`15`		`57`
`16`		`61`
`17`		`67`
`18`		`71`
`19`		`77`
`20`		`81`
`21`		`85`
`22`		`91`
`23`		`95`
`24`		`101`
`25`		`111`
`26`		`115`
`27`		`121`
`28`		`127`
`29`		`131`
`30`		`137`
`31`		`141`
`32`		`147`
`33`		`153`
`34`		`157`
`35`		`159`
`36`		`163`
`37`		`169`
`38`		`177`
`39`		`183`
`40`		`187`
`41`		`189`
`42`		`197`
`43`		`201`
`44`		`211`
`45`		`213`
`46`		`217`
`47`		`227`
`48`		`237`
`49`		`241`
`50`		`247`
`51`		`253`
`52`		`255`
`53`		`265`
`54`		`271`
`55`		`273`
`56`		`279`
`57`		`283`
`58`		`289`
`59`		`301`
`60`		`305`

[1,3,7,9,13,17,21,27,31,33,37,43,49,51,57,61,67, 71,77,81,85,91,95,101,111,115,121,127,131,137,141, 147,153,157,159,163,169,177,183,187,189,197,201, 211,213,217,227,237,241,247,253,255,265,271,273, 279,283,289,301,305]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)