OFFSET
1,4
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
MATHEMATICA
Accumulate[If[OddQ[Total[IntegerDigits[#, 2]]], 1, 0]&/@Prime[Range[90]]] (* Harvey P. Dale, Jun 04 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 15 2011
STATUS
approved