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Search: id:A164416
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A164416 Number of binary strings of length n with no substrings equal to 0000 0001 or 1111 +0
1
13, 23, 40, 69, 120, 208, 361, 626, 1086, 1884, 3268, 5669, 9834, 17059, 29592, 51333, 89047, 154469, 267956, 464821, 806321, 1398718, 2426344, 4208958, 7301243, 12665403, 21970565, 38112149, 66112815, 114685328, 198943646, 345105821 (list; graph; listen)
OFFSET

4,1

LINKS

R. H. Hardin, Table of n, a(n) for n=4..500

CROSSREFS

Sequence in context: A070219 A046119 A164408 this_sequence A164491 A164434 A164494

Adjacent sequences: A164413 A164414 A164415 this_sequence A164417 A164418 A164419

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Aug 14 2009

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


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