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), (0, 1, -1), (0, 1, 0), (1, 0, 0), (1, 1, 0)}.
A151060
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), (0, 1, -1), (0, 1, 0), (1, 0, 0), (1, 1, 0)}.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =38a(4) =151a(5) =629a(6) =2708a(7) =11895a(8) =53247a(9) =241581a(10) =1108029a(11) =5129837a(12) =23924429a(13) =112292988a(14) =529925578a(15) =2512275399a(16) =11958499231a(17) =57122301771a(18) =273699037655
External references
- oeis: A151060