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), (-1, 1, 0), (1, 0, -1), (1, 0, 0)}.
A148058
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), (-1, 1, 0), (1, 0, -1), (1, 0, 0)}.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =10a(5) =22a(6) =67a(7) =154a(8) =568a(9) =1550a(10) =5395a(11) =14789a(12) =57575a(13) =175048a(14) =652147a(15) =1970803a(16) =7935097a(17) =25771324a(18) =100086938a(19) =321963277a(20) =1326586894a(21) =4506499578a(22) =18002375075a(23) =60497955037a(24) =253509127261a(25) =889894534837
External references
- oeis: A148058