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A164140
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Number of binary strings of length n with equal numbers of 000 and 101 substrings.
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1
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1, 2, 4, 6, 9, 13, 21, 36, 63, 114, 211, 394, 743, 1413, 2699, 5176, 9965, 19237, 37221, 72178, 140223, 272843, 531675, 1037408, 2026537, 3962996, 7757437, 15198402, 29801165, 58478791, 114833209, 225641444, 443643111, 872758866, 1717846987
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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