183968

Appears in sequences

• Sum( S(n,k) * M(k-1), k=1..n), where S(n,k) = Stirling numbers of the second kind, M(n) = Motzkin numbers, A001006.at n=9A069657
• a(0) = 1, a(n+1) = a(n) + next prime larger than a(n).at n=16A074839
• 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, -1, -1), (-1, -1, 1), (-1, 1, -1), (0, 0, 1), (1, 0, -1)}.at n=14A148003