1445380

Appears in sequences

• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, 0, 1), (1, -1, 0), (1, 0, -1), (1, 1, 1)}.at n=10A150867
• The number of partitions of the set {1,2,...,n} into subsets (blocks,cells) having a prime number of elements.at n=13A190476