OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..400
EXAMPLE
sqrt(1362) = 36.90528417...
MATHEMATICA
Do[If[Union@Take[RealDigits[s = Sqrt[k], 10, 20][[1]], 10] == Range[0, 9], Print[{k, N[s, 15]}]], {k, 10^5}]
Select[Range[75000], Sort[RealDigits[Sqrt[#], 10, 10][[1]]]==Range[0, 9]&] (* Harvey P. Dale, Dec 19 2015 *)
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Giovanni Resta, Jan 11 2006
EXTENSIONS
More terms from Robert G. Wilson v, Jan 12 2006
STATUS
approved