E.g.f. A(x) satisfies A(x) = exp( x*(A(x) + A(i*x) + A(-x) + A(-i*x))/4 ), where i is the imaginary unit.
A385725
E.g.f. A(x) satisfies A(x) = exp( x*(A(x) + A(i*x) + A(-x) + A(-i*x))/4 ), where i is the imaginary unit.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =6a(6) =31a(7) =106a(8) =281a(9) =3160a(10) =29701a(11) =176056a(12) =768241a(13) =12702704a(14) =173361371a(15) =1466276176a(16) =8937060081a(17) =195180709248
External references
- oeis: A385725