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A185927 Number of (n+1)X4 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace 1
45184, 5113920, 590014464, 67954333216, 7826768593728, 901434253841216, 103822107190857792, 11957609765394118112, 1377207187583977926400, 158618585953786047231392, 18268752901619252768070528 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A185933

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X4

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

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

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

CROSSREFS

Sequence in context: A158931 A162894 A031851 * A287378 A163816 A055355

Adjacent sequences:  A185924 A185925 A185926 * A185928 A185929 A185930

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2011

STATUS

approved

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Last modified December 4 15:36 EST 2021. Contains 349526 sequences. (Running on oeis4.)