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%I #5 Jun 17 2023 02:45:16
%S 1,1,2,10,74,706,8162,109960
%N Erroneous version of A000698.
%H J. Touchard, <a href="/A000698/a000698.pdf">Sur un problème de configurations et sur les fractions continues</a>, Canad. J. Math., 4 (1952), 2-25. [Annotated, corrected, scanned copy]
%K dead
%O 0,3