cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A108074 Triangle in A071944 with rows reversed.

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%I A108074 #13 Jan 24 2020 04:11:37
%S A108074 1,1,1,2,2,1,6,5,3,1,19,16,9,4,1,63,54,31,14,5,1,219,188,111,52,20,6,
%T A108074 1,787,676,405,197,80,27,7,1,2897,2492,1508,752,320,116,35,8,1,10869,
%U A108074 9361,5712,2900,1276,489,161,44,9,1,41414,35702,21933,11296,5095,2034,714
%N A108074 Triangle in A071944 with rows reversed.
%C A108074 A convolution triangle of numbers based on A071969. - _Philippe Deléham_, Sep 15 2005
%F A108074 T(0, 0) = 1; T(n, k) = 0 if k<0 or if k>n; T(n, k) = Sum_{j>=0} T(n-1, k-1+j) + Sum_{j>=0} T(n-1, k+2+j). - _Philippe Deléham_, Sep 15 2005
%e A108074 Triangle begins:
%e A108074    1;
%e A108074    1,  1;
%e A108074    2,  2,  1;
%e A108074    6,  5,  3,  1;
%e A108074   19, 16,  9,  4,  1; ...
%Y A108074 Cf. A071944, A071969.
%K A108074 nonn,tabl,easy
%O A108074 0,4
%A A108074 _N. J. A. Sloane_, Jun 05 2005
%E A108074 More terms from _Philippe Deléham_, Sep 15 2005