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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2015
STATUS
approved

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Last modified May 20 06:19 EDT 2024. Contains 372703 sequences. (Running on oeis4.)