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A188963 Number of nX2 array permutations with each element moved and moved by a city block distance of no more than three 1

%I #6 Mar 31 2012 12:36:14

%S 1,9,265,8132,154564,2790864,55327556,1139362932,23084210737,

%T 461656617041,9241940662537,185683704600857,3732662042406464,

%U 74976134234530448,1505525933241030176,30234928280320748560

%N Number of nX2 array permutations with each element moved and moved by a city block distance of no more than three

%C Column 2 of A188966

%H R. H. Hardin, <a href="/A188963/b188963.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X2

%e ..3..0....1..0....2..4....5..2....1..0....5..3....2..5....3..4....3..4....5..3

%e ..4..5....4..2....5..0....3..4....5..4....1..4....3..4....0..2....5..1....0..2

%e ..1..2....5..3....1..3....0..1....2..3....0..2....0..1....5..1....2..0....1..4

%K nonn

%O 1,2

%A _R. H. Hardin_ Apr 14 2011

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)