368480

Appears in sequences

• Powers of cube root of 3 rounded down.at n=35A017982
• T(n, k) = [x^n] 2^n*P(n, x), where P(n, x) = (1 + 4*x)^(n + 1) + (1 - 2^(-2*n-1))*(2 + 4*x)^(n + 1). Triangle read by rows, T(n, k) for 0 <= k <= n+1 if n >= 0 and by convention T(-1, 0) = 0.at n=24A342317
• Number of free polyominoes with n cells with at most 4 collinear cell centers on any line in the plane.at n=37A380990