OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[2*Range[0, 200], PrimeQ[Total[IntegerDigits[#]]]&] (* Harvey P. Dale, Oct 05 2019 *)
CROSSREFS
KEYWORD
nonn,easy,base
AUTHOR
Giovanni Teofilatto, Feb 25 2011
STATUS
approved