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%I #7 Apr 04 2016 16:14:05
%S 0,0,0,789696,10664384,48391584,132995984,276318288,482853584,
%T 752575536,1083942480,1475455440,1926184124,2435663832,3003713808,
%U 3630272848,4315325376,5058867816,5860899668,6721420864,7640431404,8617931288
%N Number of 10-step one or two space at a time rook's tours on an n X n board summed over all starting positions
%C Row 10 of A187286
%H R. H. Hardin, <a href="/A187295/b187295.txt">Table of n, a(n) for n = 1..50</a>
%F Empirical: a(n) = 29244672*n^2 - 280021012*n + 623972304 for n>17
%K nonn
%O 1,4
%A _R. H. Hardin_ Mar 08 2011