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%I #6 Sep 20 2023 05:44:00
%S 1,8,60,582,6171,62235,623635,6246996,62482731,625014007,6249925117,
%T 62499807368
%N Frequency of the hexadecimal 4 in the first 10^n hexadecimal digits of Pi.
%H Kanada Laboratory, <a href="https://web.archive.org/web/20120324194210/http://pi2.cc.u-tokyo.ac.jp/pi-hexa_current.html">Statistical Distribution Information</a>.
%t $MaxPrecision = 1100000; ph = Drop[ RealDigits[Pi, 16, 5*10^5] [[1]], 1]; Table[ Count[ Take[ph, 10^n], 4], {n, 5}]
%Y Cf. A000796, A062964, A099333, A099334, A099335, A099336, A099338, A099339, A099340, A099341, A099342, A099343, A099344, A099345, A099346, A099347, A099348.
%K base,nonn,more
%O 1,2
%A _Robert G. Wilson v_, Oct 12 2004