Number of n-step tri-directional self-avoiding walks on the hexagonal lattice, after first step.

A272480

Number of n-step tri-directional self-avoiding walks on the hexagonal lattice, after first step.

Terms

    a(0) =3a(1) =7a(2) =17a(3) =41a(4) =95a(5) =223a(6) =523a(7) =1201a(8) =2781a(9) =6445a(10) =14731a(11) =33859a(12) =77899a(13) =177523a(14) =406115a(15) =929825a(16) =2114387a(17) =4821367a(18) =11001423a(19) =24974353a(20) =56813401a(21) =129315249a(22) =293157759a(23) =665688917a(24) =1512325105a(25) =3424615395

External references