OFFSET
1
COMMENTS
Characteristic function of A200260.
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
MATHEMATICA
If[OddQ[Total[IntegerDigits[#]]], 1, 0]&/@Prime[Range[100]] (* Harvey P. Dale, Jul 08 2019 *)
PROG
(Magma) [IsOdd(&+Intseq(NthPrime(n))) select 1 else 0: n in [1..100]]; // Bruno Berselli, Nov 15 2011
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Nov 15 2011
STATUS
approved