A086629 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)(1-y)] + xy*f(x,y)^3.

1, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 7, 13, 7, 1, 1, 11, 34, 34, 11, 1, 1, 16, 76, 124, 76, 16, 1, 1, 22, 151, 370, 370, 151, 22, 1, 1, 29, 274, 952, 1419, 952, 274, 29, 1, 1, 37, 463, 2185, 4573, 4573, 2185, 463, 37, 1, 1, 46, 739, 4579, 12892, 18037, 12892, 4579, 739, 46, 1