%I #3 Mar 30 2012 18:59:09
%S 1,1,1,6,2,1,30,18,3,1,264,120,36,4,1,2520,1320,300,60,5,1,30960,
%T 15120,3960,600,90,6,1,428400,216720,52920,9240,1050,126,7,1,6894720,
%U 3427200,866880,141120,18480,1680,168,8,1,123742080,62052480,15422400,2600640
%N A Jacobsthal number related number triangle.
%C Row sums are A110322. Diagonal sums are A110323. Inverse is A110324.
%F Number triangle T(n, k)=if(k<=n, n!*J(n-k+1)/k!), 0) where J(n)=A001045(n); Column k has e.g.f. (x^k/k!)/(1-x-2x^2);
%e Rows begin
%e 1;
%e 1,1;
%e 6,2,1;
%e 30,18,3,1;
%e 264,120,36,4,1;
%e 2520,1320,300,60,5,1;
%e 30960,15120,3960,600,6,1;
%K easy,nonn,tabl
%O 0,4
%A _Paul Barry_, Jul 20 2005
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