Series expansion of the exponential generating function exp(ff6^!(x)) - 1 where ff6^!(x) = x * (1-3*x-x^2+x^3) / (1+3*x+x^2-x^3).
A383995
Series expansion of the exponential generating function exp(ff6^!(x)) - 1 where ff6^!(x) = x * (1-3*x-x^2+x^3) / (1+3*x+x^2-x^3).
Terms
- a(0) =0a(1) =1a(2) =-11a(3) =61a(4) =-215a(5) =-1559a(6) =62941a(7) =-1371131a(8) =26310481a(9) =-474554735a(10) =7824076741a(11) =-98881279859a(12) =-176260664711
External references
- oeis: A383995