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

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