A025644 Exponent of 3 (value of i) in n-th number of form 3^i*10^j.

0, 1, 2, 0, 3, 1, 4, 2, 0, 5, 3, 1, 6, 4, 2, 0, 7, 5, 3, 1, 8, 6, 4, 2, 0, 9, 7, 5, 3, 1, 10, 8, 6, 4, 2, 0, 11, 9, 7, 5, 3, 1, 12, 10, 8, 6, 4, 2, 0, 13, 11, 9, 7, 5, 3, 1, 14, 12, 10, 8, 6, 4, 2, 0, 15, 13, 11, 9, 7, 5, 3, 1, 16, 14, 12, 10, 8, 6, 4, 2, 0, 17, 15, 13, 11, 9, 7, 5, 3, 1, 18, 16, 14, 12, 10

Offset

1,3

Links

Table of n, a(n) for n=1..95.

Crossrefs

Sequence in context: A063277 A029178 A082375 * A022332 A215589 A274185

Adjacent sequences: A025641 A025642 A025643 * A025645 A025646 A025647

Keyword

nonn

Author

David W. Wilson

Status

approved