|
%I #8 Mar 09 2014 12:11:21
%S 2,3,5,7,3,7,2,3,3,7,5,7,7,7,3,7,3,7,3,3,3,5,3,7,7,3,7,2,2,2,2,3,3,3,
%T 2,3,3,3,3,7,7,7,5,5,5,5,7,3,7,3,3,7,5,3,7,7,7,7,7,2,2,3,5,3,3,7,7,2,
%U 7,7,7,3,7,3,2,3,3,5,3,7,3,7,3,7,2,5,3,7,7,3,2,2,2,2,3,3,3,3,3,2,3,7,5,5,7,3,7,3,5,5,7,3,2,3,7,3,7,7,7,7,3,7,7,7,7,7,3,3,5,7,7,3,7,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2
%N a(n) = prime digit in A092621(n).
%C From first 12000 terms, numbers of 2s, 3s, 5s, and 7s are: 2308, 3729, 2267, 3696. Note that numbers of 2s and 5s are very close to each other, and the same is for numbers of 3s and 7s.
%Y Cf. A092621
%K nonn,base
%O 1,1
%A _Zak Seidov_, Mar 09 2014
|
