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Search: id:A164263
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A164263 Number of binary strings of length n with equal numbers of 01010 and 10101 substrings +0
1
1, 2, 4, 8, 16, 30, 60, 116, 228, 444, 870, 1698, 3324, 6498, 12720, 24892, 48748, 95472, 187072, 366632, 718814, 1409666, 2765414, 5426584, 10651904, 20914746, 41077750, 80702042, 158594096, 311753402, 612994372, 1205648564, 2371934836, 4667676104 (list; graph; listen)
OFFSET

0,2

LINKS

R. H. Hardin, Table of n, a(n) for n=0..500

CROSSREFS

Sequence in context: A164178 A027423 A140410 this_sequence A018763 A054517 A054016

Adjacent sequences: A164260 A164261 A164262 this_sequence A164264 A164265 A164266

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Aug 11 2009

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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