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%I A143316 #6 Aug 14 2023 06:53:35
%S A143316 1,2,1,4,0,1,4,2,0,1,8,0,0,0,1,4,4,2,0,0,1,12,0,0,0,0,0,1,8,4,0,2,0,0,
%T A143316 0,1,12,0,4,0,0,0,0,0,1,8,8,0,0,2,0,0,0,0,1,20,0,0,0,0,0,0,0,0,0,1,8,
%U A143316 4,4,4,0,2,0,0,0,0,0,1,24,0,0,0,0,0,0,0,0,0,0,0,1,12,12,0,0,0,0,2,0,0,0,0,0,0,1
%N A143316 Triangle read by rows, A054525 * A143315, 1<=k<=n.
%C A143316 Row sums = 2*n-1.
%C A143316 Left border = A140434: (1, 2, 4, 4, 8, 4, 12, 8,...).
%e A143316 First few rows of the triangle =
%e A143316 1;
%e A143316 2, 1;
%e A143316 4, 0, 1;
%e A143316 4, 2, 0, 1;
%e A143316 8, 0, 0, 0, 1;
%e A143316 4, 4, 2, 0, 0, 1;
%e A143316 12, 0, 0, 0, 0, 0, 1;
%e A143316 8, 4, 0, 2, 0, 0, 0, 1;
%e A143316 ...
%Y A143316 Cf. A054525, A140434, A143315.
%K A143316 nonn,tabl
%O A143316 1,2
%A A143316 _Gary W. Adamson_, Aug 06 2008
%E A143316 a(19) corrected and more terms from _Georg Fischer_, Aug 14 2023

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