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 A135127 Numbers such that the digital sums in bases 2, 3, 5 and 7 all are equal. 4
 0, 1, 882, 883, 1386, 1387, 2502, 2503, 3453, 7555, 7652, 7665, 7931, 9751, 10101, 12250, 12251, 16893, 17010, 17011, 17515, 17550, 17551, 18285, 20301, 22050, 22051, 24406, 24407, 25053, 27503, 31654, 40930, 40931, 41951, 50878, 50879 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Stanislav Sykora, Table of n, a(n) for n = 1..10000 EXAMPLE a(2)=882, since ds_2(882 )=ds_3(882 )=ds_5(882 )=ds_7(882 )=6, where ds_x=digital sum base x. MATHEMATICA Select[Range[0, 32000], Total[IntegerDigits[#, 2]] == Total[IntegerDigits[#, 3]] == Total[IntegerDigits[#, 5]] == Total[IntegerDigits[#, 7]] &] (* G. C. Greubel, Sep 27 2016 *) Select[Range[0, 51000], Length[Union[Total/@IntegerDigits[#, {2, 3, 5, 7}]]] == 1&] (* Harvey P. Dale, Sep 18 2019 *) CROSSREFS Cf. A007953, A054899, A131451, A133620, A133900, A134599, A135100, A135110, A135120, A037308, A212222. Sequence in context: A265181 A137064 A092675 * A338538 A230909 A035758 Adjacent sequences:  A135124 A135125 A135126 * A135128 A135129 A135130 KEYWORD nonn,base AUTHOR Hieronymus Fischer, Dec 31 2007 EXTENSIONS Added 0, Stanislav Sykora, May 06 2012 STATUS approved

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Last modified May 15 08:59 EDT 2021. Contains 343909 sequences. (Running on oeis4.)