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A164164
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Number of binary strings of length n with equal numbers of 0001 and 1100 substrings
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1
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1, 2, 4, 8, 14, 24, 42, 76, 142, 270, 518, 998, 1924, 3712, 7168, 13856, 26826, 52018, 101024, 196496, 382710, 746326, 1457084, 2847688, 5570840, 10907820, 21375520, 41921164, 82274428, 161581188, 317535452, 624383548, 1228435862, 2418134866
(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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