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A025669 Exponent of 7 (value of i) in n-th number of form 7^i*8^j. 1
0, 1, 0, 2, 1, 0, 3, 2, 1, 0, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..102.

CROSSREFS

Differs from A025581 at a(136).

Sequence in context: A219649 A292160 A025581 * A025676 A025683 A025660

Adjacent sequences: A025666 A025667 A025668 * A025670 A025671 A025672

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified December 9 17:12 EST 2022. Contains 358702 sequences. (Running on oeis4.)