A234830 - OEIS

A234830

Number of (n+1)X(6+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases

%I #4 Dec 31 2013 06:38:43

%S 1583955,862112943,423046102605,198813266559054,91647618370398336,

%T 41871771443346465840,19050125794543155115014,

%U 8649852577569180659550561,3923799729293788003976058927,1779130236186489831171163023831

%N Number of (n+1)X(6+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases

%C Column 6 of A234832

%H R. H. Hardin, <a href="/A234830/b234830.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 31 2013