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A224969 Number of (n+1)X3 0..3 matrices with each 2X2 permanent equal 1

%I

%S 912,11196,110253,1777586,26732072,435788333,6995454550,113660299418,

%T 1841286621939,29886022842578,484824378387720,7867531917317145,

%U 127659230961346958,2071519909834937922,33613909177507010389

%N Number of (n+1)X3 0..3 matrices with each 2X2 permanent equal

%C Column 2 of A224975

%H R. H. Hardin, <a href="/A224969/b224969.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A224969/a224969.txt">Empirical recurrence of order 80</a>

%F Empirical recurrence of order 80 (see link above)

%e Some solutions for n=2

%e ..1..1..3....3..0..3....2..0..0....2..2..3....3..0..2....3..1..1....3..2..3

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

%e ..3..2..3....3..1..1....1..0..3....2..0..0....3..0..0....3..2..3....0..3..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 21 2013

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Last modified November 26 13:27 EST 2022. Contains 358362 sequences. (Running on oeis4.)