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Search: id:A164391
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A164391 Number of binary strings of length n with no substrings equal to 0000 or 0111 +0
1
14, 25, 44, 77, 134, 233, 405, 703, 1220, 2117, 3673, 6372, 11054, 19176, 33265, 57705, 100101, 173645, 301221, 522526, 906422, 1572363, 2727565, 4731484, 8207665, 14237766, 24698130, 42843633, 74320480, 128923094, 223641776, 387949454 (list; graph; listen)
OFFSET

4,1

LINKS

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

CROSSREFS

Sequence in context: A020227 A032608 A164393 this_sequence A164392 A164390 A164388

Adjacent sequences: A164388 A164389 A164390 this_sequence A164392 A164393 A164394

KEYWORD

nonn

AUTHOR

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

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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