A034590 - OEIS

%I #13 Aug 29 2020 02:16:58

%S 135649728,139528467,142578936,142986537,158637924,176953428,

%T 178964235,189624735,192673548,196352784,196584723,197623548,

%U 235916748,236871459,245916873,254193876,256378491,263798541,265873941,265893714,265931748

%N Decimal part of square root of 'nine digits anagram' starts with a 'nine digits anagram'.

%C In total there are 142 such numbers (largest one is 986731425).

%H Sean A. Irvine, <a href="/A034590/b034590.txt">Table of n, a(n) for n = 1..142</a>

%H Patrick De Geest, <a href="http://www.worldofnumbers.com/ninedigits.htm">Nine Digits Digressions</a>

%e sqrt(135649728) = 11646.{876319425}736908...

%t Select[FromDigits/@Permutations[Range[9]],Sort[ IntegerDigits[ IntegerPart[ FractionalPart[ Sqrt[#]]10^9]]]==Range[9]&] (* _Harvey P. Dale_, Dec 12 2016 *)

%Y Cf. A034277.

%K nonn,base,fini,full

%O 1,1

%A _Patrick De Geest_, Oct 15 1998