E.g.f.: (cosh(3*x) + sinh(3*x)*cosh(x)) / (cosh(x) - sinh(x)*cosh(3*x)).
A245155
E.g.f.: (cosh(3*x) + sinh(3*x)*cosh(x)) / (cosh(x) - sinh(x)*cosh(3*x)).
Terms
- a(0) =1a(1) =4a(2) =16a(3) =100a(4) =832a(5) =8644a(6) =107776a(7) =1567780a(8) =26063872a(9) =487466884a(10) =10129985536a(11) =231560895460
External references
- oeis: A245155