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A102387
a(n) is the smallest number m such that 2^m contains the first n decimal digits of Pi.
0
5, 17, 74, 144, 144, 2003, 2003, 37929, 82810, 161449, 712201, 2401519, 7339199, 33662541
OFFSET
1,1
FORMULA
a(n) = A030000(A011545(n)).
EXAMPLE
The first number is 5 because 2^5 is 32, which contains 3, the first digit of Pi.
CROSSREFS
Sequence in context: A149722 A166228 A362177 * A149723 A149724 A149725
KEYWORD
base,nonn
AUTHOR
Sergei Bernstein (sergeibernstein(AT)gmail.com), Feb 22 2005
EXTENSIONS
a(11)-a(14) from Giovanni Resta, Nov 14 2013
STATUS
approved