A002640 - OEIS

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A002640 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`7`
`3`		`10`
`4`		`13`
`5`		`19`
`6`		`28`
`7`		`31`
`8`		`34`
`9`		`40`
`10`		`43`
`11`		`52`
`12`		`70`
`13`		`73`
`14`		`76`
`15`		`82`
`16`		`85`
`17`		`91`
`18`		`97`
`19`		`103`
`20`		`112`
`21`		`115`
`22`		`124`
`23`		`127`
`24`		`136`
`25`		`145`
`26`		`148`
`27`		`157`
`28`		`166`
`29`		`175`
`30`		`187`
`31`		`190`
`32`		`199`
`33`		`202`
`34`		`223`
`35`		`241`
`36`		`244`
`37`		`259`
`38`		`265`
`39`		`271`
`40`		`274`
`41`		`280`
`42`		`286`
`43`		`316`
`44`		`325`
`45`		`358`
`46`		`370`
`47`		`376`
`48`		`385`
`49`		`388`
`50`		`409`
`51`		`421`
`52`		`427`
`53`		`442`
`54`		`460`
`55`		`469`
`56`		`472`

[4,7,10,13,19,28,31,34,40,43,52,70,73,76,82,85,91, 97,103,112,115,124,127,136,145,148,157,166,175, 187,190,199,202,223,241,244,259,265,271,274,280, 286,316,325,358,370,376,385,388,409,421,427,442, 460,469,472]

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Last modified September 16 23:59 EDT 2024. Contains 375984 sequences. (Running on oeis4.)