%I
%S 1,3,70,4025,431636,75114998,19449364539,7059006496410,
%T 3437740821764782,2172596362927904998,1735323511562307096513,
%U 1714589657484702134799407,2058734042458059390066278968,2959366820014712815406422598389,5028070020338050558675966002870476
%N Main diagonal of array in A322770.
%Y Cf. A322770.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Dec 30 2018
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