A025680 Exponent of 9 (value of j) in n-th number of form 6^i*9^j.

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

Offset

1,6

Links

Table of n, a(n) for n=1..105.

Crossrefs

Sequence in context: A025688 A025645 A233381 * A025667 A025689 A025650

Adjacent sequences: A025677 A025678 A025679 * A025681 A025682 A025683

Keyword

nonn

Author

David W. Wilson

Status

approved