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A210140 Number of (n+1)X6 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order 1

%I

%S 9157,1321270,178904077,23560950847,3047709295897,389550973002670,

%T 49393019753138539,6229274408854573641,782823791964112306595,

%U 98145600416386972811263,12285914061867762911513990

%N Number of (n+1)X6 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order

%C Column 5 of A210143

%H R. H. Hardin, <a href="/A210140/b210140.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 17 2012

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Last modified January 25 23:56 EST 2022. Contains 350572 sequences. (Running on oeis4.)