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Search: id:A007745
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| A007745 |
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n OR n^2 (applied to binary expansions). |
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+0
4
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| 1, 6, 11, 20, 29, 38, 55, 72, 89, 110, 123, 156, 173, 206, 239, 272, 305, 342, 379, 404, 445, 502, 535, 600, 633, 702, 731, 796, 861, 926, 991, 1056, 1121, 1190, 1259, 1332, 1405, 1446, 1527, 1640, 1721, 1774, 1851, 1980, 2029, 2158, 2223, 2352, 2417, 2550
(list; graph; listen)
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OFFSET
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1,2
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MATHEMATICA
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d=15; Mb=Array[ 2^(d-#)&, d ]; Map[ Plus@@(Mb*#)&, Array[ IntegerDigits[ #, 2, d ]+IntegerDigits[ #^2, 2, d ]&, 180 ]/. (2->1) ]
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CROSSREFS
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Sequence in context: A073945 A083500 A102305 this_sequence A021011 A000382 A000383
Adjacent sequences: A007742 A007743 A007744 this_sequence A007746 A007747 A007748
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KEYWORD
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base,nonn,easy
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AUTHOR
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J. P. Mocquard and D. Bouchon (BOUCHON(AT)zeus.univ-poitiers.fr)
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