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A164175
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Number of binary strings of length n with equal numbers of 0011 and 1100 substrings.
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1
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1, 2, 4, 8, 14, 24, 44, 84, 160, 304, 582, 1124, 2180, 4236, 8248, 16096, 31468, 61600, 120712, 236776, 464832, 913216, 1795270, 3531324, 6949852, 13684364, 26956792, 53124240, 104733796, 206557360, 407516744, 804254360, 1587733632, 3135392096
(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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