E.g.f. A(x) satisfies A(x) = 1/( 1 - x * A(x)^2 * cosh(x * A(x)^2) ).
A381477
E.g.f. A(x) satisfies A(x) = 1/( 1 - x * A(x)^2 * cosh(x * A(x)^2) ).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =75a(4) =1440a(5) =37445a(6) =1231440a(7) =49037527a(8) =2294425728a(9) =123393443049
External references
- oeis: A381477