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%I #7 Aug 02 2015 13:25:23
%S 1,6,20,56,141,328,732,1584,3339,6894,14018,28132,55819,109668,213711,
%T 413520,795041,1519632,2890050,5471864,10317249,19378344,36273795,
%U 67690580,125950933,233715516,432618758,798985468,1472443438,2708024388,4971153360,9109787516,16666330020,30442830024,55525884185,101137051948,183972829656
%N Sum of squares of end-to-end distances for self-avoiding walks on the Manhattan lattice.
%D S. S. Manna and A. J. Guttmann, Kinetic growth walks..., J. Phys. A 22 (1989), 3113-3122. See Table 1.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Aug 02 2015