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Search: id:A164491
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A164491 Number of binary strings of length n with no substrings equal to 0010 0100 or 1001 +0
1
13, 23, 40, 70, 122, 213, 371, 647, 1128, 1967, 3430, 5981, 10429, 18185, 31709, 55291, 96411, 168112, 293137, 511143, 891280, 1554125, 2709928, 4725302, 8239510, 14367235, 25052150, 43683438, 76170818, 132819068, 231596631, 403835084 (list; graph; listen)
OFFSET

4,1

LINKS

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

CROSSREFS

Sequence in context: A046119 A164408 A164416 this_sequence A164434 A164494 A164407

Adjacent sequences: A164488 A164489 A164490 this_sequence A164492 A164493 A164494

KEYWORD

nonn

AUTHOR

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

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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