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Triangular array related to Motzkin triangle A026300.
2

%I #9 Jan 27 2020 01:23:55

%S 1,1,3,1,6,10,1,9,29,36,1,12,57,132,137,1,15,94,315,590,543,1,18,140,

%T 612,1629,2628,2219,1,21,195,1050,3605,8127,11732,9285,1,24,259,1656,

%U 6950,19992,39718,52608,39587,1,27,332,2457,12177,42498,106644,191754

%N Triangular array related to Motzkin triangle A026300.

%C Reversal of A091965. Row sums give A026378. - _Philippe Deléham_, Mar 23 2007

%D A. Nkwanta, Lattice paths and RNA secondary structures, in African Americans in Mathematics, ed. N. Dean, Amer. Math. Soc., 1997, pp. 137-147.

%F T(n,n) = A002212(n+1). - _Philippe Deléham_, Mar 23 2007

%e Triangle begins

%e 1;

%e 1, 3;

%e 1, 6, 10;

%e 1, 9, 29, 36;

%e 1, 12, 57, 132, 137; ...

%K nonn,tabl

%O 0,3

%A _N. J. A. Sloane_, Jun 29 2003

%E More terms from _Philippe Deléham_, Mar 23 2007