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A181341
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Divide the left and right binary concatenations of 1 to n into sections alternating between being composed entirely of consecutive digits identical in both concatenations and consecutive digits different in both concatenations, then count the sections in one of the concatenations
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0
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1, 2, 3, 4, 5, 8, 11, 14, 13, 16, 15, 20, 15, 26, 23, 30, 27, 34, 33, 42, 39, 46, 43, 54, 55, 56, 51, 66, 59, 64, 59, 70, 75, 68, 87, 76, 85, 78, 93, 78, 97, 86, 99, 110, 107, 96, 107, 118, 113, 112, 133, 136, 129, 116, 135, 136, 143, 134, 153, 168, 165, 144, 163, 164
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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l = {}; r = {}; Table[d = IntegerDigits[x, 2]; l = Flatten[{l, d}]; r = Flatten[{d, r}]; Length[Split[ EvenQ[l + r]]], {x, 1, NUMBER_OF_TERMS_HERE}]
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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