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A124911 a(n) = least integer j>=0 such that n=Floor[(5^j)/(2^k)] for some integer k>=0. 1
0, 1, 2, 4, 1, 2, 3, 16, 4, 20, 8, 2, 18, 9, 3, 22, 16, 10, 4, 26, 20, 14, 8, 5, 2, 24, 18, 15, 9, 6, 3, 28, 22, 19, 16, 13, 10, 7, 4, 29, 26, 23, 20, 17, 14, 11, 8, 5, 33, 30, 27, 24, 52, 21, 18, 15, 43, 12, 9, 37, 6, 3, 31, 28, 56, 25, 22, 50, 19, 47, 16, 13, 41, 10, 38, 7, 35, 4, 60 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

The k-sequence is A124919.

LINKS

Table of n, a(n) for n=1..79.

EXAMPLE

1=[5^0/2^0], 2=[5^1/2^1], 3=[5^2/2^3], 4=[5^4/2^7],...,

so j-sequence=(0,1,2,4,...); k-sequence=(0,1,3,7,...).

CROSSREFS

Cf. A124919.

Sequence in context: A269065 A206475 A227184 * A132954 A069705 A106645

Adjacent sequences:  A124908 A124909 A124910 * A124912 A124913 A124914

KEYWORD

nonn

AUTHOR

Clark Kimberling, Nov 13 2006

STATUS

approved

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Last modified April 16 16:11 EDT 2021. Contains 343050 sequences. (Running on oeis4.)