A025654 - OEIS

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A025654

Exponent of 5 (value of i) in n-th number of form 5^i*9^j.

0, 1, 0, 2, 1, 0, 3, 2, 1, 4, 0, 3, 2, 5, 1, 4, 0, 3, 6, 2, 5, 1, 4, 0, 7, 3, 6, 2, 5, 1, 8, 4, 0, 7, 3, 6, 2, 9, 5, 1, 8, 4, 0, 7, 3, 10, 6, 2, 9, 5, 1, 8, 4, 0, 11, 7, 3, 10, 6, 2, 9, 5, 1, 12, 8, 4, 0, 11, 7, 3, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 0, 11, 7, 3, 14, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 15, 0, 11, 7, 3

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

OFFSET

1,4

LINKS

Table of n, a(n) for n=1..100.

CROSSREFS

Sequence in context: A212278 A244215 A255325 * A025648 A025655 A022336

Adjacent sequences: A025651 A025652 A025653 * A025655 A025656 A025657

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved