

A099300


Number of times the digit 9 appears in the first 10^n digits of Pi.


13



1, 14, 106, 1014, 9902, 100106, 1000040, 9999521, 100000273, 1000036012, 9999956635, 99999854780
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OFFSET

1,2


REFERENCES

Alfred S. Posamentier & Ingmar Lehmann, A Biography of the World's Most Mysterious Number, Prometheus Books, Amherst, NY 2004, page 129.


LINKS

Table of n, a(n) for n=1..12.
Kanada Laboratory, Statistical Distribution Information.
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], 9], {n, 6}]


CROSSREFS

Cf. A099291, A099292, A099293, A099294, A099295, A099296, A099297, A099298, A099299.
Sequence in context: A126509 A200056 A206754 * A038735 A181378 A020327
Adjacent sequences: A099297 A099298 A099299 * A099301 A099302 A099303


KEYWORD

nonn,base


AUTHOR

Robert G. Wilson v, Oct 11 2004


STATUS

approved



