G.f. A(x) satisfies: A(x) = 1 + x + x^2 * A(x/(1 + 6*x)) / (1 + 6*x).
A351187
G.f. A(x) satisfies: A(x) = 1 + x + x^2 * A(x/(1 + 6*x)) / (1 + 6*x).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =-5a(4) =25a(5) =-131a(6) =793a(7) =-6137a(8) =60049a(9) =-670919a(10) =7930321a(11) =-96775853a(12) =1225237609a(13) =-16333089227a(14) =232150489129
External references
- oeis: A351187