OFFSET
1,4
LINKS
Eric Weisstein's World of Mathematics, Repeating Decimal
EXAMPLE
MATHEMATICA
Table[Length[Select[Range[n - 1], Length[RealDigits[1/#][[1, -1]]] == Length[RealDigits[1/n][[1, -1]]] &]], {n, 90}]
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Ilya Gutkovskiy, Nov 06 2020
STATUS
approved