A185803 - OEIS

A185803

Number of (n+1)X6 0..3 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace

166272, 104024384, 29410603520, 9977246681216, 3230776071054976, 1064219916625097376, 348593375731473172480, 114404199665472905793216, 37521552327662806687621312, 12308810295209257671658800832

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A185807

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..11

EXAMPLE

Some solutions for 3X6

..0..3..2..2..3..2....0..3..0..3..3..0....0..1..0..2..1..3....0..0..2..1..1..1

..0..0..2..3..3..3....0..0..0..3..3..1....0..0..0..1..2..2....0..0..2..0..2..2

..0..0..0..1..0..3....0..0..0..3..3..1....0..0..0..1..3..1....0..0..0..0..2..1

CROSSREFS

Sequence in context: A203274 A061741 A186919 * A376670 A250931 A319295

Adjacent sequences: A185800 A185801 A185802 * A185804 A185805 A185806

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 04 2011

STATUS

approved