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A099296
Number of times the digit 5 appears in the first 10^n digits of Pi.
12
3, 8, 97, 1046, 10026, 100359, 1000466, 9993478, 99998885, 1000007928, 9999963661, 99999671008
OFFSET
1,1
REFERENCES
Alfred S. Posamentier & Ingmar Lehmann, A Biography of the World's Most Mysterious Number, Prometheus Books, Amherst, NY 2004, page 129.
LINKS
Eric Weisstein's World of Mathematics, Pi Digits
MATHEMATICA
$MaxPrecision = 1100000; dp = Drop[ RealDigits[Pi, 10, 1000010] [[1]], 1]; Table[ Count[ Take[dp, 10^n], 5], {n, 6}]
KEYWORD
nonn,base
AUTHOR
Robert G. Wilson v, Oct 11 2004
STATUS
approved