82988

Appears in sequences

• Generalized Catalan Numbers x^3*A(x)^2 + (x-1)*A(x) + 1 =0.at n=18A023431
• a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 1, 0, 1, 1.at n=20A025246
• Triangle T(n, k) = Number of non-equivalent (mod D_3) ways to arrange k indistinguishable points on a triangular grid of side n so that no three points are collinear. Triangle read by rows.at n=44A234350
• Number of non-equivalent (mod D_3) ways to arrange 6 indistinguishable points on a triangular grid of side n so that no three points are collinear.at n=4A234354