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, 0, 1), (-1, 1, 1), (0, 1, 0), (1, -1, 0)}.
A148295
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, 0, 1), (-1, 1, 1), (0, 1, 0), (1, -1, 0)}.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =35a(6) =110a(7) =348a(8) =1125a(9) =3843a(10) =13148a(11) =45611a(12) =162558a(13) =586159a(14) =2131427a(15) =7874167a(16) =29269092a(17) =109441041a(18) =413029164a(19) =1569707723a(20) =5997195310a(21) =23061664488a(22) =89112018445a(23) =345612962634
External references
- oeis: A148295