Total number of neighbor contacts for n-step self-avoiding walks on a 2D square lattice.

A336492

Total number of neighbor contacts for n-step self-avoiding walks on a 2D square lattice.

Terms

    a(0) =0a(1) =0a(2) =8a(3) =32a(4) =152a(5) =512a(6) =1880a(7) =5920a(8) =19464a(9) =59168a(10) =183776a(11) =545392a(12) =1638400a(13) =4778000a(14) =14043224a(15) =40422544a(16) =116977176a(17) =333346928a(18) =953538440a(19) =2695689520a(20) =7642091352a(21) =21464794032a(22) =60417010152a(23) =168787016352a(24) =472315518008

External references