%I #4 Jul 15 2020 00:19:20
%S 0,1,15,54,172,184,819
%N Number of zeros in the character table of the group GL(2,Z_n).
%Y Cf. A000252.
%K nonn,more
%O 1,3
%A Yuval Dekel (dekelyuval(AT)hotmail.com), Jul 26 2003
