OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..989
EXAMPLE
a(2)=1300, since ds_2(1300)=ds_5(1300)=ds_10(1300), where ds_x=digital sum base x.
MATHEMATICA
Select[Range[10000], Total[IntegerDigits[#, 2]] == Total[IntegerDigits[#, 5]] == Total[IntegerDigits[#, 10]] &] (* G. C. Greubel, Sep 27 2016 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Hieronymus Fischer, Dec 31 2007
STATUS
approved