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A124913
a(n) = least integer k>=0 such that n=Floor[(3^j)/(4^k)] for some integer j>=0.
1
0, 1, 0, 6, 2, 1, 12, 4, 0, 7, 3, 14, 10, 6, 2, 17, 13, 9, 5, 1, 16, 35, 12, 8, 4, 23, 0, 38, 15, 11, 30, 7, 26, 3, 22, 18, 60, 14, 56, 33, 10, 29, 6, 25, 2, 21, 105, 40, 17, 36, 13, 55, 32, 9, 135, 28, 5, 131, 24, 1, 85, 20, 230, 39, 16, 100, 35, 203, 12, 222, 31, 8, 50, 27, 69, 4, 46
OFFSET
1,4
COMMENTS
Each nonnegative integer occurs infinitely many times. The j-sequence is A124905.
EXAMPLE
1=[3^0/4^0], 2=[3^2/4^1], 3=[3^1/4^0], 4=[3^9/4^6],...,
so j-sequence=(0,2,1,9,...); k-sequence=(0,1,0,6,...).
CROSSREFS
Cf. A124905.
Sequence in context: A217909 A334943 A002247 * A181415 A289711 A101818
KEYWORD
nonn
AUTHOR
Clark Kimberling, Nov 12 2006
STATUS
approved