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A104715 Triangle T(n,k) = (2*k-1)*A000217(n-k+1) read by rows, 1<=k<=n.

%I A104715 #11 Mar 30 2012 17:25:11
%S A104715 1,3,3,6,9,5,10,18,15,7,15,30,30,21,9,21,45,50,42,27,11,28,63,75,70,
%T A104715 54,33,13,36,84,105,105,90,66,39,15,45,108,140,147,135,110,78,45,17,
%U A104715 55,135,180,196,189,165,130,90,51,19,66,165
%N A104715 Triangle T(n,k) = (2*k-1)*A000217(n-k+1) read by rows, 1<=k<=n.
%e A104715 First few rows are:
%e A104715 1;
%e A104715 3, 3;
%e A104715 6, 9, 5;
%e A104715 10, 18, 15, 7;
%e A104715 15, 30, 30, 21, 9;
%e A104715 21, 45, 50, 42, 27, 11;
%e A104715 ...
%Y A104715 Cf. A002415 (row sums), A104716.
%K A104715 nonn,tabl,easy
%O A104715 1,2
%A A104715 _Gary W. Adamson_, Mar 20 2005
%E A104715 One term corrected by R. J. Mathar, Oct 29 2011