%I A000317
%S A000317 1,2,3,7,37,1159,1301767,1693089917617,2866551265129451657751739,
%T A000317 8217116155610406522540626640615749228405055996847
%N A000317 a(n+1) = a(n)^2 - a(n) a(n-1) + a(n-1)^2.
%D A000317 Emmanuel Ferrand, Deformations of the Taylor Formula, Journal of Integer 
               Sequences, Vol. 10 (2007), Article 07.1.7.
%p A000317 A000317 := proc(n) option remember; if n <=2 then n else A000317(n-1)^2-A000317(n-1)*A000317(n-2)+A000317(n-2\
               )^2; fi; end;
%Y A000317 Sequence in context: A165744 A034900 A079388 this_sequence A047024 A037843 
               A102604
%Y A000317 Adjacent sequences: A000314 A000315 A000316 this_sequence A000318 A000319 
               A000320
%K A000317 nonn
%O A000317 1,2
%A A000317 N. J. A. Sloane (njas(AT)research.att.com).