a(n) = [x^(n+1)*y^n/((n+1)!*n!)] (cosh(x)*cosh(y) + sinh(x) + sinh(y)) / (1 - sinh(x)*sinh(y)), for n >= 0.
A322196
a(n) = [x^(n+1)*y^n/((n+1)!*n!)] (cosh(x)*cosh(y) + sinh(x) + sinh(y)) / (1 - sinh(x)*sinh(y)), for n >= 0.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =200a(4) =4808a(5) =174752a(6) =8948384a(7) =614111360a(8) =54420050048
External references
- oeis: A322196