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A228071
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Write n in binary and interpret as a decimal number; a(n) is this quantity minus n.
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2
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0, 0, 8, 8, 96, 96, 104, 104, 992, 992, 1000, 1000, 1088, 1088, 1096, 1096, 9984, 9984, 9992, 9992, 10080, 10080, 10088, 10088, 10976, 10976, 10984, 10984, 11072, 11072, 11080, 11080, 99968, 99968, 99976, 99976, 100064, 100064, 100072, 100072, 100960, 100960
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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Difference between decimal and binary numbers written the same.
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LINKS
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FORMULA
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a(2^n + r) = a(2^n) + a(r) for 1 <= r <= 2^n - 1. - Peter Bala, Aug 12 2013
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EXAMPLE
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5 in binary is written 101, so a(5) = 101-5 = 96.
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MATHEMATICA
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Table[d = IntegerDigits[n, 2]; FromDigits[d, 10] - n, {n, 50}] (* T. D. Noe, Aug 08 2013 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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