A025652 - OEIS

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A025652

Exponent of 5 (value of i) in n-th number of form 5^i*7^j.

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

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

OFFSET

1,4

LINKS

Table of n, a(n) for n=1..101.

CROSSREFS

Sequence in context: A025646 A025661 A025671 * A025662 A025640 A025663

Adjacent sequences: A025649 A025650 A025651 * A025653 A025654 A025655

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved