OFFSET
1,1
COMMENTS
This is a prime sequence based on the wheel factorization of 840. There are 192 congruence classes that form prime wheel spokes mod 840.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[5000]], Mod[#, 840] == 1 &]
Select[840*Range[0, 100]+1, PrimeQ] (* Harvey P. Dale, Mar 03 2018 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Joshua S.M. Weiner, Oct 13 2012
STATUS
approved