A108074 - OEIS

%I #13 Jan 24 2020 04:11:37

%S 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 1,787,676,405,197,80,27,7,1,2897,2492,1508,752,320,116,35,8,1,10869,

%U 9361,5712,2900,1276,489,161,44,9,1,41414,35702,21933,11296,5095,2034,714

%N Triangle in A071944 with rows reversed.

%C A convolution triangle of numbers based on A071969. - _Philippe Deléham_, Sep 15 2005

%F 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 Triangle begins:

%e    1;

%e    1,  1;

%e    2,  2,  1;

%e    6,  5,  3,  1;

%e   19, 16,  9,  4,  1; ...

%Y Cf. A071944, A071969.

%K nonn,tabl,easy

%O 0,4

%A _N. J. A. Sloane_, Jun 05 2005

%E More terms from _Philippe Deléham_, Sep 15 2005