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Search: id:A164144
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A164144 Number of binary strings of length n with equal numbers of 001 and 101 substrings +0
1
1, 2, 4, 6, 8, 11, 18, 36, 76, 153, 289, 525, 954, 1787, 3464, 6832, 13452, 26207, 50603, 97525, 188805, 367994, 720805, 1414179, 2772486, 5428759, 10626469, 20818945, 40850896, 80275617, 157897960, 310707852, 611510788, 1203795095, 2370700373 (list; graph; listen)
OFFSET

0,2

LINKS

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

CROSSREFS

Sequence in context: A084627 A039823 A079972 this_sequence A071241 A068062 A088169

Adjacent sequences: A164141 A164142 A164143 this_sequence A164145 A164146 A164147

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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