Number of n-step self-avoiding walks on a 2D square lattice where each visited lattice point is either a neighbor of the first visited lattice point, else the first visited lattice point is directly visible (cf. A358036) from the lattice point when it is first visited.
A368614
Number of n-step self-avoiding walks on a 2D square lattice where each visited lattice point is either a neighbor of the first visited lattice point, else the first visited lattice point is directly visible (cf. A358036) from the lattice point when it is first visited.
Terms
- a(0) =4a(1) =8a(2) =16a(3) =24a(4) =48a(5) =80a(6) =168a(7) =296a(8) =624a(9) =1144a(10) =2424a(11) =4552a(12) =9680a(13) =18480a(14) =39368a(15) =76128a(16) =162376a(17) =317288a(18) =677624a(19) =1335688a(20) =2856536a(21) =5672576a(22) =12149080a(23) =24280768a(24) =52079424a(25) =104665200a(26) =224825088a(27) =454047672a(28) =976721744a(29) =1981083216
External references
- oeis: A368614