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A205178 Number of (n+1) X 6 0..3 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards. 1

%I

%S 1284356,431119786,109885347688,20824074630163,3735895473961770,

%T 542569301045830422,77180383679719759430,9710006986385118092924,

%U 1208066992589598190873206,140685731309191572681679896

%N Number of (n+1) X 6 0..3 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards.

%C Column 5 of A205181.

%H R. H. Hardin, <a href="/A205178/b205178.txt">Table of n, a(n) for n = 1..32</a>

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A205181.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 22 2012

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Last modified September 27 04:03 EDT 2022. Contains 357052 sequences. (Running on oeis4.)