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Search: id:A164155
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A164155 Number of binary strings of length n with equal numbers of 0001 and 0010 substrings +0
1
1, 2, 4, 8, 14, 26, 48, 91, 169, 318, 598, 1136, 2156, 4113, 7859, 15081, 28991, 55889, 107939, 208945, 405147, 786992, 1530944, 2982544, 5817828, 11362161, 22213975, 43474281, 85160187, 166960485, 327590795, 643232760, 1263858598, 2484867793 (list; graph; listen)
OFFSET

0,2

LINKS

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

CROSSREFS

Sequence in context: A135491 A164154 A164156 this_sequence A164167 A164169 A164166

Adjacent sequences: A164152 A164153 A164154 this_sequence A164156 A164157 A164158

KEYWORD

nonn

AUTHOR

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

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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