A260777 Sum of squares of end-to-end distances for self-avoiding walks on the Manhattan lattice.

1, 6, 20, 56, 141, 328, 732, 1584, 3339, 6894, 14018, 28132, 55819, 109668, 213711, 413520, 795041, 1519632, 2890050, 5471864, 10317249, 19378344, 36273795, 67690580, 125950933, 233715516, 432618758, 798985468, 1472443438, 2708024388, 4971153360, 9109787516, 16666330020, 30442830024, 55525884185, 101137051948, 183972829656

Offset

1,2

References

S. S. Manna and A. J. Guttmann, Kinetic growth walks..., J. Phys. A 22 (1989), 3113-3122. See Table 1.

Links

Table of n, a(n) for n=1..37.

Crossrefs

Sequence in context: A249406 A220020 A201149 * A014480 A048778 A048611

Adjacent sequences: A260774 A260775 A260776 * A260778 A260779 A260780

Keyword

nonn

Author

N. J. A. Sloane, Aug 02 2015

Status

approved