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Search: id:A118737
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A118737 Number of zeros in binary expansion of 5^n. +0
2
0, 1, 2, 1, 5, 6, 7, 9, 7, 8, 13, 11, 15, 17, 16, 15, 18, 20, 18, 26, 21, 20, 27, 27, 26, 40, 30, 30, 37, 32, 33, 39, 36, 43, 37, 42, 40, 44, 51, 45, 40, 42, 49, 48, 51, 52, 57, 61, 58, 54, 59, 59, 67, 60, 68, 54, 70, 66, 61, 72, 79, 65, 70, 66, 63, 73, 67, 71, 76, 72, 80, 86, 78 (list; graph; listen)
OFFSET

0,3

MATHEMATICA

f[n_] := DigitCount[5^n, 2, 0]; Table[f[n], {n, 0, 72}] (*Chandler*)

CROSSREFS

Cf. A118738.

Sequence in context: A073474 A067311 A075680 this_sequence A026214 A026221 A030740

Adjacent sequences: A118734 A118735 A118736 this_sequence A118738 A118739 A118740

KEYWORD

base,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), May 22 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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