%N a(n) = the first term in A175888 ending with n.
%C Positions of a(n) in the sequence A175888 :
%C Even terms in A175888 are much rarer than odd terms:
%C up to 22683662, number of terms in A175888 ending with 0..9:
%Y Cf. A000203, A175888.
%A _Zak Seidov_, Oct 08 2010