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.

0, 11794, 8803344, 7737459027, 6545874548694, 5537142857552112, 4678308031001778581, 3951925612543275997042, 3338154929554215989823146, 2819671588394426773289855424, 2381712111047192598048356777986

Offset

1,2

Comments

Row 6 of A278188.

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

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

Adjacent sequences: A278190 A278191 A278192 * A278194 A278195 A278196

Keyword

nonn

Author

R. H. Hardin, Nov 14 2016

Status

approved