Nonzero coefficients of g.f. A(x) = 1 + 4*x^2 + 36*x^4 + 396*x^6 + ... satisfying (A-1)*(1+3/A)^3 = 256*x^2.
A239112
Nonzero coefficients of g.f. A(x) = 1 + 4*x^2 + 36*x^4 + 396*x^6 + ... satisfying (A-1)*(1+3/A)^3 = 256*x^2.
Terms
- a(0) =1a(1) =4a(2) =36a(3) =396a(4) =4788a(5) =61200a(6) =811548a(7) =11047176a(8) =153362196a(9) =2161860912a(10) =30850416144a(11) =444692531052
External references
- oeis: A239112