554489

Appears in sequences

• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (-1, 0), (-1, 1), (0, 1), (1, -1), (1, 0), (1, 1)}.at n=9A151493
• Numerators of the partial sums of the reciprocals of the powerful part function (A057521).at n=36A379583