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A253481 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically 1
187704, 13402934, 1028601406, 78770049974, 6038749847806, 463112610524774, 35518705360530868, 2724019590586769610, 208922669579218369758, 16023371494060520430598, 1228925625092109547538176 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A253482

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A250541 A251798 A253486 * A186137 A233715 A110069

Adjacent sequences:  A253478 A253479 A253480 * A253482 A253483 A253484

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2015

STATUS

approved

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Last modified August 25 03:55 EDT 2019. Contains 326318 sequences. (Running on oeis4.)