OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..1200
EXAMPLE
a(2)=12, since ds_2(12)=ds_3(12)=ds_6(12), where ds_x=digital sum base x.
MATHEMATICA
Select[Range[5000], Total[IntegerDigits[#, 2]] == Total[IntegerDigits[#, 3]] == Total[IntegerDigits[#, 6]] &] (* G. C. Greubel, Sep 26 2016 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Hieronymus Fischer, Dec 31 2007
STATUS
approved