OFFSET
1,1
COMMENTS
In total there are 142 such numbers (largest one is 986731425).
LINKS
Sean A. Irvine, Table of n, a(n) for n = 1..142
Patrick De Geest, Nine Digits Digressions
EXAMPLE
sqrt(135649728) = 11646.{876319425}736908...
MATHEMATICA
Select[FromDigits/@Permutations[Range[9]], Sort[ IntegerDigits[ IntegerPart[ FractionalPart[ Sqrt[#]]10^9]]]==Range[9]&] (* Harvey P. Dale, Dec 12 2016 *)
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Patrick De Geest, Oct 15 1998
STATUS
approved