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%I #2 Jan 09 2009 03:00:00
%S 1,1,3,4,5,9,7,16,9,25,11,36,13,49,15,23,120,14,52,88,33,80,21,112,
%T 102,152,30,224,165,136,105,7,636,309,304,252,103,1275,217,117,391,
%U 2004,489,637,195,556,1736,500,91,1971,440,251,4809,1216,291,3796,53,3969
%N a(0) = 1; thereafter, a(n) is the smallest number such that Sum_{m = 0 .. n-1} a(m)*a(m+1) is a square.
%e a(4) = 5 because a(0)*a(1)+a(1)*a(2)+a(2)*a(3)+a(3)*a(4) = 1*1+1*3+3*4+4*5 = 36
%K nonn
%O 0,3
%A Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Oct 29 2001
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