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Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and exactly two more elements moved upwards than downwards
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%I #5 Oct 26 2015 06:34:24

%S 0,0,0,0,0,1,3,11,31,93,248,670,1724,4434,11120,27772,68402,167695,

%T 407659,986955,2376323,5702352,13631753,32500113,77272919,183336571,

%U 434092838,1026096990,2421667040,5707720617,13436324063,31596325769

%N Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and exactly two more elements moved upwards than downwards

%C Column 2 of A263787

%H R. H. Hardin, <a href="/A263781/b263781.txt">Table of n, a(n) for n = 1..210</a>

%e All solutions for n=7

%e ..2....0....2

%e ..0....3....0

%e ..1....1....1

%e ..5....2....3

%e ..3....6....6

%e ..4....4....4

%e ..6....5....5

%Y Cf. A263787

%K nonn

%O 1,7

%A _R. H. Hardin_, Oct 26 2015