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Search: id:A137981
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| A137981 |
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Triangular sequence of coefficients of an expansion of a tri-degenerate partition of a Bernoulli B(x,n), Chebyshev U(x,n) and a Hermite H(x,n) Sheffer sequence: 1) b(x,t)=t*Exp(x*t)/(Exp(t)-1);; 2) u(x,t)=1/(1-2*x*t+t^2); 3) h(x,t)=Exp(2*x*t-t^2); p(x,t)=b(x,t)*u(x,t)*h(x,t). |
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| 2, -3, 30, -92, -120, 696, 720, -8340, -5220, 24120, 40296, 103680, -722160, -289440, 1216080, -756000, 10579800, 13003200, -73306800, -21281400, 86350320, -71284800, -268531200, 2283140160, 1799884800, -9170280000, -2072407680, 8319024000, 2438553600, -41653241280
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