The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A135121 Numbers such that the digital sum base 2 and the digital sum base 3 and the digital sum base 5 all are equal. 4
 0, 1, 6, 7, 10, 11, 60, 61, 180, 181, 285, 300, 301, 575, 687, 754, 826, 827, 882, 883, 900, 901, 910, 911, 1254, 1305, 1311, 1326, 1327, 1335, 1377, 1383, 1386, 1387, 1395, 1431, 1506, 1507, 1532, 1626, 1627, 1650, 1651, 1890, 1891, 1955, 2013, 2036, 2040 (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)=6, since ds_2(6)=ds_3(6)=ds_5(6), where ds_x=digital sum base x. MATHEMATICA Select[Range[0, 3000], Length[Union[Total/@IntegerDigits[#, {2, 3, 5}]]]==1&] (* Harvey P. Dale, Sep 04 2014 *) CROSSREFS Cf. A007953, A054899, A131451, A133620, A133900, A134599, A135100, A135110, A135120, A037308, A212222. Sequence in context: A085267 A118957 A037303 * A309854 A083133 A101972 Adjacent sequences:  A135118 A135119 A135120 * A135122 A135123 A135124 KEYWORD nonn,base AUTHOR Hieronymus Fischer, Dec 31 2007 EXTENSIONS Added 0, Stanislav Sykora, May 06 2012 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 14 15:18 EDT 2021. Contains 342949 sequences. (Running on oeis4.)