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Search: id:A045575
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| A045575 |
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Numbers of the form x^y - y^x, for x,y > 1. |
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+0
2
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| 0, 1, 7, 17, 28, 79, 118, 192, 399, 431, 513, 924, 1844, 1927, 2800, 3952, 6049, 7849, 8023, 13983, 16188, 18954, 32543, 58049, 61318, 61440, 65280, 130783, 162287, 175816, 255583, 261820, 357857, 523927, 529713, 1038576, 1048176
(list; graph; listen)
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OFFSET
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1,3
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MATHEMATICA
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Union[Flatten[Table[If[a^b-b^a>-1&&a^b-b^a<10^6*2, a^b-b^a], {a, 1, 123}, {b, a, 144}]]] - Vladimir Orlovsky, Apr 26 2008
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CROSSREFS
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Sequence in context: A017353 A160912 A147089 this_sequence A029532 A088566 A059845
Adjacent sequences: A045572 A045573 A045574 this_sequence A045576 A045577 A045578
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KEYWORD
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easy,nonn
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AUTHOR
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Erich Friedman (erich.friedman(AT)stetson.edu)
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