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A278193
Number of 6Xn 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) or (1,0), with upper left element zero.
1
0, 11794, 8803344, 7737459027, 6545874548694, 5537142857552112, 4678308031001778581, 3951925612543275997042, 3338154929554215989823146, 2819671588394426773289855424, 2381712111047192598048356777986
OFFSET
1,2
COMMENTS
Row 6 of A278188.
LINKS
EXAMPLE
Some solutions for n=2
..0..3. .0..3. .0..1. .0..1. .0..1. .0..2. .0..2. .0..1. .0..1. .0..1
..1..2. .1..2. .1..2. .0..2. .0..2. .1..3. .1..3. .3..2. .0..2. .0..2
..2..0. .1..3. .0..3. .1..3. .2..3. .0..2. .0..0. .1..3. .2..3. .2..3
..3..3. .3..0. .3..2. .0..1. .1..0. .1..3. .3..0. .2..0. .3..1. .3..1
..3..2. .0..2. .3..1. .0..2. .3..1. .1..2. .2..1. .2..3. .0..2. .0..2
..0..1. .1..3. .0..0. .3..3. .0..2. .3..0. .0..3. .1..0. .3..3. .2..3
CROSSREFS
Cf. A278188.
Sequence in context: A321158 A046192 A210151 * A031868 A205630 A205332
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 14 2016
STATUS
approved