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%I #8 Jul 10 2018 14:34:14
%S 1,1,26,64324,44418808968,16811849850663255376,
%T 5739186280165988958118118964128,
%U 2625335736940471293251942853564104852964163648,2236038557448505001455717540438942031299017768147674692322230400
%N Number of paths from {0}^n to {n}^n that always move closer to {n}^n.
%H Alois P. Heinz, <a href="/A316677/b316677.txt">Table of n, a(n) for n = 0..25</a>
%F a(n) = A316674(n,n).
%F a(n) = A262810(n) * ceiling(2^(n-1)) = A262810(n) * A011782(n).
%Y Main diagonal of A316674.
%Y Cf. A011782, A262810.
%K nonn,walk
%O 0,3
%A _Alois P. Heinz_, Jul 10 2018
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