A278012 Number of nX6 0..2 arrays with every element plus 1 mod 3 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, 5530, 1516632, 586416930, 212235186204, 77589535205794, 28318244060569024, 10338163442842553944, 3774002232626515614634, 1377729070961815064673478, 502950248130165268403057836, 183605761521188764889164686902

Offset

1,2

Comments

Column 6 of A278014.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=2
..0..1..0..0..2..2. .0..1..0..0..2..0. .0..2..0..2..2..1. .0..1..2..0..1..0
..1..2..1..1..1..0. .0..2..0..1..1..1. .1..1..1..1..0..0. .0..1..0..1..2..0

Crossrefs

Cf. A278014.

Sequence in context: A025307 A068269 A164079 * A255100 A031795 A180267

Adjacent sequences: A278009 A278010 A278011 * A278013 A278014 A278015

Keyword

nonn

Author

R. H. Hardin, Nov 08 2016

Status

approved