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Numbers having two 5's in base 6.
0

%I #10 Apr 24 2021 02:06:34

%S 35,71,107,143,179,185,191,197,203,209,210,211,212,213,214,251,287,

%T 323,359,395,401,407,413,419,425,426,427,428,429,430,467,503,539,575,

%U 611,617,623,629,635,641,642,643,644,645,646,683

%N Numbers having two 5's in base 6.

%Y Cf. A007092.

%K nonn,base

%O 1,1

%A _Clark Kimberling_