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%I #3 Mar 30 2012 18:36:46
%S 1,2,12,114,1446,22722,424302,9168162,224961774,6180211842,
%T 187977996366,6272676296034,227890380810606,8955881754461250,
%U 378593286191735694,17131977268344445218,826338384025220612526,42323768184940929568770
%N Column 0 of triangle A107722.
%C Shift left 1 place equals twice column 1 of triangle A107717.
%o (PARI)
%Y Cf. A107717, A107722.
%K nonn
%O 0,2
%A _Paul D. Hanna_, May 30 2005
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