67791

Appears in sequences

• Row sums of triangle A095801 (matrix square of the Narayana triangle A001263).at n=7A103370
• Triangle, read by rows, such that column n equals the row sums of A001263^n, which is the n-th matrix power of the Narayana triangle A001263, for n>=0.at n=47A105556
• Number of poly-IH64-tiles (holes allowed) with n cells.at n=10A151525
• Free polyominoes with 2n squares, having reflectional symmetry on axis that coincides with edges.at n=10A234006
• Triangle T(n, m) appearing in the expansion of the scaled phase space coordinate qhat of the plane pendulum in terms of the Jacobi nome q and sin(v) multiplying even powers of 2*cos(v), with v = u/((2/Pi)*K(k)).at n=23A275790
• Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=6A306057
• Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=4A306059