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%I #9 Feb 21 2024 08:18:50
%S 1,1,1,3,3,1,7,9,4,1,19,26,15,5,1,51,75,50,21,6,1,141,216,161,78,28,7,
%T 1,393,623,504,273,113,36,8,1,1107,1800,1554,918,423,157,45,9,1,3139,
%U 5211,4740,3006,1506,625,211,55,10,1,8953,15115,14355,9657,5182,2343,891,276
%N Triangle whose k-th column has e.g.f. exp(x)*sum{j=0..k, Bessel_I(k+j,2x)}.
%C First column is A002426. Second column is A005774. Third column is A014532.
%e Triangle begins:
%e 1,
%e 1, 1,
%e 3, 3, 1,
%e 7, 9, 4, 1,
%e 19, 26, 15, 5, 1,
%e 51, 75, 50, 21, 6, 1
%e ...
%Y Cf. A002426, A005774, A014532.
%K easy,nonn,tabl
%O 0,4
%A _Paul Barry_, Feb 13 2006
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