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A205060 Number of (n+1)X5 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 1

%I #5 Mar 31 2012 12:37:04

%S 14206,1383154,151143466,14708332687,1363649327987,108742082786809,

%T 7942265856994338,516952891654244763,31103633793561760138,

%U 1718384524825981921672,88979039037156779856964

%N Number of (n+1)X5 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing

%C Column 4 of A205063

%H R. H. Hardin, <a href="/A205060/b205060.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 21 2012

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)