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%I #5 Mar 30 2012 16:49:17
%S 3,6,30,10,90,315,15,210,1260,3780,21,420,3780,18900,51975,28,756,
%T 9450,69300,311850,810810,36,1260,20790,207900,1351350,5675670,
%U 14189175,45,1980,41580,540540,4729725,28378350,113513400,275675400
%N Triangle of coefficients of Bessel polynomials {y_n(x)}''.
%D J. Riordan, Combinatorial Identities, Wiley, 1968, p. 77.
%H <a href="/index/Be#Bessel">Index entries for sequences related to Bessel functions or polynomials</a>
%e For n = 2 .. 5 the polynomials are 6; 30+90*x; 90+630*x+1260*x^2; 210+2520*x+11340*x^2+18900*x^3.
%Y Cf. A001497, A001498, A065931.
%K nonn
%O 2,1
%A _N. J. A. Sloane_, Dec 08 2001
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