A224782 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A224782

Length of longest run of consecutive zeros in decimal representation of 2^n.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,54

COMMENTS

a(n) <= A027870(n);

a(A007377(n)) = 0;

a(A006889(n)) = n and a(m) <> n for m < A006889(n).

REFERENCES

Julian Havil, Impossible?: Surprising Solutions to Counterintuitive Conundrums, Princeton University Press 2008, chapter 15, p. 176ff

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

PROG