E.g.f. A(x) satisfies A(x) = 1 + 2 * (1 - exp(-x)) * A(2 * (1 - exp(-x))).
A355132
E.g.f. A(x) satisfies A(x) = 1 + 2 * (1 - exp(-x)) * A(2 * (1 - exp(-x))).
Terms
- a(0) =1a(1) =2a(2) =14a(3) =290a(4) =16654a(5) =2487202a(6) =916292622a(7) =801308046114
External references
- oeis: A355132