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A124906 a(n) = least integer j>=0 such that n=Floor[(3^j)/(5^k)] for some integer k>=0. 1
0, 8, 1, 13, 3, 9, 15, 21, 2, 8, 11, 14, 17, 20, 23, 4, 7, 10, 32, 13, 57, 16, 19, 41, 22, 44, 3, 47, 6, 50, 9, 31, 53, 12, 56, 15, 37, 59, 18, 40, 62, 21, 84, 43, 65, 24, 46, 5, 27, 90, 49, 8, 30, 93, 52, 11, 74, 33, 55, 118, 14, 36, 99, 58, 121, 17, 39, 102, 61, 124, 20, 146, 42 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The k-sequence is A124914.
LINKS
EXAMPLE
1=[3^0/5^0], 2=[3^8/5^5], 3=[3^1/5^0], 4=[3^13/5^8],...,
so j-sequence=(0,8,1,13,...); k-sequence=(0,5,0,8,...).
CROSSREFS
Cf. A124914.
Sequence in context: A070488 A349142 A322079 * A298143 A181762 A209684
KEYWORD
nonn
AUTHOR
Clark Kimberling, Nov 12 2006
STATUS
approved

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Last modified May 26 02:41 EDT 2024. Contains 372807 sequences. (Running on oeis4.)