A102387 - OEIS

A102387

a(n) is the smallest number m such that 2^m contains the first n decimal digits of Pi.

5, 17, 74, 144, 144, 2003, 2003, 37929, 82810, 161449, 712201, 2401519, 7339199, 33662541

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OFFSET

1,1

LINKS

FORMULA

EXAMPLE

The first number is 5 because 2^5 is 32, which contains 3, the first digit of Pi.

CROSSREFS

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