%I #16 Sep 27 2019 12:56:34
%S 0,0,0,0,0,0,0,1,0,1,0,0,1,1,1,0,1,1,1,0,0,1,2,3,1,1,1,1,2,0,0,0,0,1,
%T 2,0,0,1,1,0,1,2,1,1,1,2,0,0,0,1,0,1,1,0,0,1,2,0,0,2,2,1,1,0,0,0,0,0,
%U 1,2,0,1,1,0,1,2,3,1,2,3,2,1,1,1,2
%N Number of holes in decimal expansion of n-th prime.
%C This is A064692 restricted to the primes.
%H Rémy Sigrist, <a href="/A327462/b327462.txt">Table of n, a(n) for n = 1..10000</a>
%o (PARI) forprime (p=2, 439, print1 (vecsum(apply(d -> [1, 0, 0, 0, 1, 0, 1, 0, 2, 1][1+d], digits(p))) ", ")) \\ _Rémy Sigrist_, Sep 27 2019
%Y Cf. A035103, A064692, A249572, A250256, A327820.
%K nonn,base
%O 1,23
%A _N. J. A. Sloane_, Sep 27 2019