OFFSET
1,1
COMMENTS
The first 66 terms are the only ones whose squares contain no repeated digits. - Charles R Greathouse IV, Feb 09 2015
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MAPLE
f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=5 then f := [op(f), i] fi; od; f;
MATHEMATICA
Select[Range[101, 500], Count[DigitCount[#^2], 0]==5&] (* Harvey P. Dale, Feb 08 2015 *)
PROG
(PARI) is(n)=#Set(digits(n^2))==5 \\ Charles R Greathouse IV, Feb 08 2015
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Asher Auel, Feb 29 2000
STATUS
approved