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Search: id:A162199
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| 101, 103, 105, 107, 109, 201, 203, 205, 207, 209, 301, 303, 305, 307, 309, 401, 403, 405, 407, 409, 501, 503, 505, 507, 509, 601, 603, 605, 607, 609, 701, 703, 705, 707, 709, 801, 803, 805, 807, 809, 901, 903, 905, 907, 909, 11011, 11013, 11015, 11017
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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isA134808 := proc(n) local dgs, ndgs, d ; dgs := convert(n, base, 10) ; ndgs := nops(dgs) ; if ndgs mod 2 = 0 then false; else for d from 1 to ndgs do if d = (ndgs+1)/2 and op(d, dgs) <> 0 then RETURN(false); elif d <> (ndgs+1)/2 and op(d, dgs) = 0 then RETURN(false); fi; od: true; fi; end: for n from 1 to 11100 by 2 do if isA134808(n) then printf("%d, ", n) ; fi; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 13 2009]
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CROSSREFS
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Cf. A134808, A134809, A162198.
Sequence in context: A164849 A162671 A030474 this_sequence A131687 A048528 A164739
Adjacent sequences: A162196 A162197 A162198 this_sequence A162200 A162201 A162202
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KEYWORD
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easy,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Jul 04 2009
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EXTENSIONS
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More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 13 2009
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