Number of n-step self-avoiding walks starting at the origin that are restricted to the boundary walls of the first octant of the cubic lattice.

A330079

Number of n-step self-avoiding walks starting at the origin that are restricted to the boundary walls of the first octant of the cubic lattice.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =27a(4) =75a(5) =213a(6) =585a(7) =1623a(8) =4425a(9) =12123a(10) =32883a(11) =89415a(12) =241557a(13) =653649a(14) =1760427a(15) =4747005a(16) =12754593a(17) =34301463a(18) =91990575a(19) =246880023a(20) =661075149a(21) =1771199169a(22) =4736741853a(23) =12673587057a(24) =33856816431a(25) =90482953989a(26) =241499070195a(27) =644781165933

External references