56073

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, 0), (0, -1), (1, 0), (1, 1)}.at n=12A151407
• a(0) = 0, and for n > 0, (a(n)) gives the indices n for which d(n) < d(k) for k < n, where d is the difference sequence of (cos k + sin k).at n=12A299640
• Number of squarefree parts in the partitions of n into 10 parts.at n=44A309464