A259808 Guttmann-Torrie simple cubic lattice series coefficients c_n^{2}(Pi/2).

4, 14, 56, 226, 958, 4052, 17508, 75634, 330804, 1448830, 6397288, 28293338, 125845174, 560617586, 2507890716, 11234741560, 50489990570, 227190742034, 1024878998006, 4628430595232

Offset: 1

Author

N. J. A. Sloane, Jul 06 2015

Keywords

• nonn
• more

Comments

The number of n-step self-avoiding walks in two connected octants on a cubic lattice where the walk starts at the origin. - Scott R. Shannon, Aug 14 2020

Links

• A. J. Guttmann and G. M. Torrie, Critical behavior at an edge for the SAW and Ising model, J. Phys. A 17 (1984), 3539-3552.

Extensions

a(16)-a(20) from Scott R. Shannon, Aug 14 2020