164451

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, -1, 1), (1, -1, 1), (1, 1, -1), (1, 1, 1)}.at n=9A149791
• Least triangular number of the form p*triangular(n) where p is a prime number, or 0 if no such triangular number exists.at n=41A225789
• a(n) = (Product_{i=0..4}(i*n+2) - Product_{i=0..4}(-i*n-1))/(4*n+3).at n=20A274119