2339972

Appears in sequences

• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 0), (0, -1), (1, -1), (1, 1)}.at n=13A151272
• Centuries whose prime pattern is the same as prime pattern in the previous century.at n=7A219996