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A227024 Number of nX5 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X6 binary array with rows and columns of the latter in lexicographically nondecreasing order 1

%I #4 Jun 27 2013 20:33:38

%S 25,368,4948,65317,786154,8379285,79224749,668706345,5081503151,

%T 35102679286,222533536879,1305789511714,7145426639248,36700964912428,

%U 177929765359899,818153315837912,3583007628524884,14999102522624015

%N Number of nX5 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X6 binary array with rows and columns of the latter in lexicographically nondecreasing order

%C Column 5 of A227025

%H R. H. Hardin, <a href="/A227024/b227024.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=4

%e ..0..0..0..1..0....0..0..0..0..0....0..1..0..0..1....0..0..0..0..1

%e ..0..0..1..0..0....0..0..0..1..1....0..0..0..0..1....0..0..0..1..2

%e ..0..2..0..0..1....0..1..2..1..1....0..1..1..2..1....0..1..2..2..1

%e ..1..1..0..0..0....1..0..1..2..2....1..0..1..2..2....2..2..2..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Jun 27 2013

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)