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A025639 Exponent of 2 (value of i) in n-th number of form 2^i*10^j. 1
0, 1, 2, 3, 0, 4, 1, 5, 2, 6, 3, 0, 7, 4, 1, 8, 5, 2, 9, 6, 3, 0, 10, 7, 4, 1, 11, 8, 5, 2, 12, 9, 6, 3, 13, 0, 10, 7, 4, 14, 1, 11, 8, 5, 15, 2, 12, 9, 6, 16, 3, 13, 0, 10, 7, 17, 4, 14, 1, 11, 8, 18, 5, 15, 2, 12, 9, 19, 6, 16, 3, 13, 0, 10, 20, 7, 17, 4, 14, 1, 11, 21, 8, 18, 5, 15, 2, 12, 22, 9, 19 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..91.

CROSSREFS

Sequence in context: A195822 A025638 A215591 * A195827 A246997 A208384

Adjacent sequences:  A025636 A025637 A025638 * A025640 A025641 A025642

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified July 5 11:31 EDT 2022. Contains 355097 sequences. (Running on oeis4.)