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A249307 Triangle read by rows: A249095(n,k) * 2^k, k = 0 .. 2*n+1.

%I A249307 #7 Aug 01 2019 10:42:56
%S A249307 1,1,2,4,1,2,8,8,16,1,2,12,16,48,32,64,1,2,16,24,96,96,256,128,256,1,
%T A249307 2,20,32,160,192,640,512,1280,512,1024,1,2,24,40,240,320,1280,1280,
%U A249307 3840,2560,6144,2048,4096,1,2,28,48,336,480,2240,2560,8960,7680
%N A249307 Triangle read by rows: A249095(n,k) * 2^k, k = 0 .. 2*n+1.
%C A249307 Length of row n = 2*n+1;
%C A249307 T(n,2*n+1) = 4^n = A000302(n);
%C A249307 for n > 0: sum of row n = 7*5^(n-1), cf. A005055.
%H A249307 Reinhard Zumkeller, <a href="/A249307/b249307.txt">Rows n = 0..125 of triangle, flattened</a>
%o A249307 (Haskell)
%o A249307 a249307 n k = a249307_tabf !! n !! k
%o A249307 a249307_row n = a249307_tabf !! n
%o A249307 a249307_tabf = map (zipWith (*) a000079_list) a249095_tabf
%Y A249307 Cf. A249095, A000079, A005408 (row lengths), A249308 (central terms), A000302 (right edge), A005055 (row sums, except for initial 1), A013609.
%Y A249307 Cf. A013609.
%K A249307 nonn,tabf
%O A249307 0,3
%A A249307 _Reinhard Zumkeller_, Nov 14 2014