%I #2 Mar 30 2012 18:58:53
%S 1,2,11,84,857,10984,169803,3076688,63968273,1501465248,39277112843,
%T 1133193163840,35748951528681,1224258310112384,45233097633685643,
%U 1793524939926112512,75966131556225961121,3423203234058532082176
%N Main diagonal of number array A086404.
%F a(n)=(nsqrt(3))^n(1/2sqrt(3)/6)+(n+sqrt(3))^n(1/2+sqrt(3)/6)
%Y Cf. A086352.
%K easy,nonn
%O 0,2
%A _Paul Barry_, Jul 19 2003
