OFFSET
1,7
LINKS
Wikipedia, Senary
EXAMPLE
a(7)=2, because 1/7 has senary period 2 (0.0505050505...).
MATHEMATICA
f[n_] := Length[ RealDigits[1/n, 6][[1, -1]]]; Array[f, 85] (* Robert G. Wilson v, Jan 09 2015 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Michal Kaczmarczyk, Dec 03 2014
EXTENSIONS
More terms from Robert G. Wilson v, Jan 09 2015
STATUS
approved