A105830 - OEIS

%I #5 Jun 17 2018 19:01:48

%S 1,5,6,8,14,4,10,24,18,15,3,12,36,21,2,19,33,52,28,27,55,78,16,62,35,

%T 87,54,141,25,46,71,42,29,13,90,7,26,45,50,80,40,75,115,58,57,43,44,

%U 84,53,22,31,60,91,37,20,17,63,110,32,96,56,132,108,135,138,61,65,114,143,100

%N For n>2, a(n) not appeared previously is such that a(n-1)^2+4*a(n-2)*a(n) is a minimal square, a(1)=1, a(2)=5.

%H Ivan Neretin, <a href="/A105830/b105830.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A105822, A105828-A105836.

%K nonn

%O 1,2

%A _Zak Seidov_, Apr 22 2005