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%I #10 Dec 13 2017 04:19:42
%S 0,14,15,18,37,38,215,218,267,280,282,290,326,328,329,331,332,333,346,
%T 347,348,350,403,404,405,425,430,431,433,435,440,454,455,456,457,458,
%U 575,577,578,579,581,590,630,631,633,634,635,637,643,644,645,646,647,648,651,652,653,654,655,658,659,663,664,666,763,770,935,937,938,950,952,1124
%N Number of initial digits of ternary Pi wherein the digit counts of ones and twos are exactly equal.
%H Hans Havermann, <a href="/A278979/b278979.txt">Table of n, a(n) for n = 1..10000</a>
%H Hans Havermann, <a href="http://chesswanks.com/seq/b278979.txt">Table of n, a(n) for n = 1..96619</a>
%e Ternary Pi is 10.01021101222201021100211...
%e 0 is in the sequence because the first 0 digits contain 0 ones and 0 twos.
%e 14 is in the sequence because the first 14 digits contain 5 ones and 5 twos.
%e 15 is in the sequence because the first 15 digits contain 5 ones and 5 twos.
%Y Cf. A004602, A039624, A278976, A278977, A278978.
%K nonn,base
%O 1,2
%A _Hans Havermann_, Dec 03 2016