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Search: id:A164156
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A164156 Number of binary strings of length n with equal numbers of 0001 and 0011 substrings +0
1
1, 2, 4, 8, 14, 26, 48, 88, 166, 312, 590, 1124, 2140, 4092, 7844, 15060, 28998, 55940, 108124, 209408, 406218, 789272, 1535792, 2992312, 5837488, 11400876, 22289812, 43621496, 85444828, 167507880, 328642084, 645245632, 1267710158, 2492228804 (list; graph; listen)
OFFSET

0,2

LINKS

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

CROSSREFS

Sequence in context: A117633 A135491 A164154 this_sequence A164155 A164167 A164169

Adjacent sequences: A164153 A164154 A164155 this_sequence A164157 A164158 A164159

KEYWORD

nonn

AUTHOR

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

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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