Symmetric square table of coefficients, read by antidiagonals, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = 1/(1-x-y) + xy*f(x,y)^2.
A086620
Symmetric square table of coefficients, read by antidiagonals, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = 1/(1-x-y) + xy*f(x,y)^2.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =5a(8) =5a(9) =1a(10) =1a(11) =7a(12) =14a(13) =7a(14) =1a(15) =1a(16) =9a(17) =28a(18) =28a(19) =9a(20) =1a(21) =1a(22) =11a(23) =47a(24) =79a(25) =47a(26) =11a(27) =1a(28) =1a(29) =13
External references
- oeis: A086620