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, 0), (0, 0, 1), (0, 1, 0), (1, 1, 0)}.
A151052
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, 0), (0, 0, 1), (0, 1, 0), (1, 1, 0)}.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =37a(4) =144a(5) =579a(6) =2388a(7) =10034a(8) =42776a(9) =184515a(10) =803609a(11) =3528235a(12) =15597277a(13) =69359086a(14) =310019528a(15) =1391987818a(16) =6275072316a(17) =28389123237a(18) =128847871383a(19) =586488987180
External references
- oeis: A151052