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A022928
Number of 5^m between 3^n and 3^(n+1).
0
0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1
OFFSET
0,1
PROG
(PARI) logint(3^(n+1), 5)-logint(3^n, 5) \\ Charles R Greathouse IV, Jan 16 2017
CROSSREFS
Sequence in context: A011655 A102283 A128834 * A000494 A022933 A194683
KEYWORD
nonn
STATUS
approved