A025678 - OEIS

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A025678

Exponent of 9 (value of j) in n-th number of form 2^i*9^j.

0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 6, 1, 2, 3, 4, 5, 0, 6, 1, 2, 3, 4, 5, 0, 6, 1, 2, 3, 4, 5, 0, 6, 1, 7, 2, 3, 4, 5, 0, 6, 1, 7, 2, 3, 4, 5, 0, 6

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

OFFSET

1,12

LINKS

Table of n, a(n) for n=1..108.

CROSSREFS

Sequence in context: A237451 A215592 A025684 * A073189 A194519 A025855

Adjacent sequences: A025675 A025676 A025677 * A025679 A025680 A025681

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved