A025689 Exponent of 10 (value of j) in n-th number of form 7^i*10^j.

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

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Crossrefs

Cf. A025632.