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, 0), (-1, 1, 1), (0, 0, -1), (1, 0, 1), (1, 1, 1)}.
A150951
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, 0), (-1, 1, 1), (0, 0, -1), (1, 0, 1), (1, 1, 1)}.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =35a(4) =155a(5) =688a(6) =3163a(7) =14608a(8) =68442a(9) =323007a(10) =1534140a(11) =7318363a(12) =35087119a(13) =168746710a(14) =813977051a(15) =3936697604a(16) =19082459598a(17) =92671351366a(18) =450828322591
External references
- oeis: A150951