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A025679 Exponent of 9 (value of j) in n-th number of form 5^i*9^j. 0
0, 0, 1, 0, 1, 2, 0, 1, 2, 0, 3, 1, 2, 0, 3, 1, 4, 2, 0, 3, 1, 4, 2, 5, 0, 3, 1, 4, 2, 5, 0, 3, 6, 1, 4, 2, 5, 0, 3, 6, 1, 4, 7, 2, 5, 0, 3, 6, 1, 4, 7, 2, 5, 8, 0, 3, 6, 1, 4, 7, 2, 5, 8, 0, 3, 6, 9, 1, 4, 7, 2, 5, 8, 0, 3, 6, 9, 1, 4, 7, 10, 2, 5, 8, 0, 3, 6, 9, 1, 4, 7, 10, 2, 5, 8, 0, 11, 3, 6, 9, 1, 4, 7, 10, 2, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..106.

CROSSREFS

Sequence in context: A022337 A025687 A025666 * A071491 A156537 A239501

Adjacent sequences:  A025676 A025677 A025678 * A025680 A025681 A025682

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified August 14 04:13 EDT 2020. Contains 336477 sequences. (Running on oeis4.)