A020498 - OEIS

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A020498 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`7`
`4`		`9`
`5`		`13`
`6`		`19`
`7`		`21`
`8`		`27`
`9`		`31`
`10`		`33`
`11`		`37`
`12`		`43`
`13`		`49`
`14`		`51`
`15`		`57`
`16`		`63`
`17`		`69`
`18`		`73`
`19`		`79`
`20`		`87`
`21`		`91`
`22`		`97`
`23`		`99`
`24`		`103`
`25`		`111`
`26`		`117`
`27`		`121`
`28`		`129`
`29`		`133`
`30`		`139`
`31`		`141`
`32`		`147`
`33`		`153`
`34`		`157`
`35`		`159`
`36`		`163`
`37`		`169`
`38`		`177`
`39`		`183`
`40`		`187`
`41`		`189`
`42`		`199`
`43`		`201`
`44`		`211`
`45`		`213`
`46`		`217`
`47`		`231`
`48`		`241`
`49`		`243`
`50`		`247`
`51`		`253`
`52`		`261`
`53`		`267`
`54`		`271`
`55`		`273`
`56`		`279`
`57`		`283`
`58`		`289`

[1,3,7,9,13,19,21,27,31,33,37,43,49,51,57,63,69, 73,79,87,91,97,99,103,111,117,121,129,133,139,141, 147,153,157,159,163,169,177,183,187,189,199,201, 211,213,217,231,241,243,247,253,261,267,271,273, 279,283,289]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)