login
A281324
Number of nX6 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
1
28, 22342, 5192104, 977717308, 166805996158, 26899223667928, 4181821443113978, 633606104886468360, 94186568347536816634, 13796519486189257667162, 1997432551613036750016196, 286445189090932989849214302
OFFSET
1,1
COMMENTS
Column 6 of A281326.
LINKS
EXAMPLE
Some solutions for n=2
..0..1..0..1..2..2. .0..0..1..2..0..1. .0..1..0..1..2..2. .0..1..2..1..1..0
..1..1..0..1..1..2. .1..2..0..1..1..1. .0..1..2..0..2..0. .1..2..2..0..1..0
CROSSREFS
Cf. A281326.
Sequence in context: A221897 A280283 A221928 * A370364 A159439 A270070
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2017
STATUS
approved