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A025637 Exponent of 2 (value of i) in n-th number of form 2^i*7^j. 0
0, 1, 2, 0, 3, 1, 4, 2, 5, 0, 3, 6, 1, 4, 7, 2, 5, 8, 0, 3, 6, 9, 1, 4, 7, 10, 2, 5, 8, 11, 0, 3, 6, 9, 12, 1, 4, 7, 10, 13, 2, 5, 8, 11, 14, 0, 3, 6, 9, 12, 15, 1, 4, 7, 10, 13, 16, 2, 5, 8, 11, 14, 0, 17, 3, 6, 9, 12, 15, 1, 18, 4, 7, 10, 13, 16, 2, 19, 5, 8, 11, 14, 0, 17, 3, 20, 6, 9, 12, 15, 1 (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: A161162 A211000 A025636 * A195826 A331478 A097065

Adjacent sequences:  A025634 A025635 A025636 * A025638 A025639 A025640

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified April 20 19:33 EDT 2021. Contains 343137 sequences. (Running on oeis4.)