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Search: id:A161020
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| 370, 407, 481, 518, 592, 629, 370370, 407407, 481481, 518518, 592592, 629629, 370370370, 407407407, 456790123, 469135802, 481481481, 493827160, 506172839, 518518518, 530864197, 543209876, 592592592, 629629629, 370370370370
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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All known terms are multiples of 37
No additional terms below 10^7, next term is probably 370370370.
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EXAMPLE
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For example with 370: (073+037+307+370+703+730)/6= 370
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MAPLE
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read("transforms3") ; isrep := proc(n) if nops(convert(convert(n, base, 10), set)) = 1 then true; else false; fi; end: a160818 := BFILETOLIST("b160818.txt") ; for i from 1 to 400 do a := op(i, a160818) ; if not isrep(a) then printf("%d, ", a) ; fi; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 04 2009]
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CROSSREFS
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A160818
Sequence in context: A097501 A062041 A108772 this_sequence A102618 A037232 A165330
Adjacent sequences: A161017 A161018 A161019 this_sequence A161021 A161022 A161023
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KEYWORD
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base,nonn
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AUTHOR
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Johan Sarnbratt (johan.sarnbratt(AT)gmail.com), Jun 02 2009
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EXTENSIONS
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More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 04 2009
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