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%I #4 Dec 30 2013 15:53:39
%S 56,1624,71280,14119456,3638129496,5918104318968,8967685381446696,
%T 122249822533913768232,1076958448730484588421552,
%U 123150528274584255166922562896
%N Number of (n+1)X(n+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both
%C Diagonal of A234769
%e Some solutions for n=3
%e ..0..0..1..3....2..2..2..2....2..2..0..2....1..0..1..0....0..1..3..1
%e ..1..2..1..2....3..1..3..1....0..1..0..1....2..3..2..3....3..2..3..2
%e ..1..0..0..2....2..2..3..2....3..2..2..2....2..1..1..0....1..2..1..2
%e ..2..2..1..1....0..1..3..1....1..1..0..1....2..0..2..0....0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 30 2013
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