G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} A(x^k)^4 / (k*x^(3*k)) ).
A363466
G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} A(x^k)^4 / (k*x^(3*k)) ).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =5a(4) =15a(5) =61a(6) =240a(7) =1019a(8) =4387a(9) =19462a(10) =87649a(11) =401077a(12) =1856698a(13) =8685295a(14) =40978465a(15) =194806667a(16) =932141498a(17) =4486014160a(18) =21699575863a(19) =105443142514a(20) =514469464550
External references
- oeis: A363466