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%I #7 May 25 2016 01:37:22
%S 1,1,4,14,50,184,694,2670,10440,41374,165830,671084,2738334,11254362,
%T 46547340,193592830,809165002,3397135168,14319385126,60576862358,
%U 257109077584,1094541239294,4672423779086,19996407893908,85778157486910,368757697819570,1588465839532628,6855304750273902
%N First differences of A078482.
%Y Cf. A078482, A272686 (second differences).
%K nonn
%O 0,3
%A _N. J. A. Sloane_, May 24 2016
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