--------------------------------------- Here is the Generalized Capsule for the functional equation q f(q) f(q) = 1 + q + ---------- 2 7 (-q + 1) 12 10 8 6 4 2 [- (3003 q + 715260 q + 7180608 q + 12055092 q + 4006674 q + 176904 q / 13 12 11 10 9 8 7 6 + 28) / (q - q - 6 q + 6 q + 15 q - 15 q - 20 q + 20 q / 5 4 3 2 + 15 q - 15 q - 6 q + 6 q + q - 1), [0, 1, 0, 8, 0, 2, 0, 1, 0, 7, 0, 10, 0, 16, 0, 15, 0, 9, 0, 16], [11, 5, 11, 14, 11, 16, 11, 5, 11, 3, 11, 2, 11, 0, 11, 6, 11, 8, 16, 0]] This took, 0.127, seconds.