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A278271
Number of nX6 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
1
0, 30475, 44653299, 58169902939, 78878506284185, 106937880786585233, 144890411982622214715, 196324396224795460823590, 266017816110405604627304812, 360451345655941579473611590523
OFFSET
1,2
COMMENTS
Column 6 of A278272.
LINKS
EXAMPLE
Some solutions for n=2
..0..1..1..0..0..1. .0..3..1..0..3..1. .0..1..2..1..0..2. .0..0..3..3..2..0
..0..2..3..3..2..1. .1..2..1..1..2..0. .2..3..1..3..3..1. .1..2..1..0..1..3
CROSSREFS
Cf. A278272.
Sequence in context: A187373 A251527 A226528 * A332315 A254976 A234791
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 16 2016
STATUS
approved