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A280959
Number of nX6 0..2 arrays with no element equal to more than one of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
1
82, 4850, 63085, 1121528, 20029500, 346289502, 6052621154, 105777297118, 1846875100200, 32253949107668, 563278827019060, 9836989060923111, 171791531487108414, 3000138481060751984, 52393917402743354484
OFFSET
1,1
COMMENTS
Column 6 of A280961.
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..1..2..1. .0..1..0..1..0..2. .0..1..0..0..2..2. .0..1..0..1..1..0
..2..0..1..0..2..1. .1..0..1..2..0..1. .2..1..2..1..0..1. .2..1..2..2..0..2
..1..2..0..1..0..0. .2..2..0..2..1..2. .0..2..1..2..2..1. .0..0..1..1..2..1
CROSSREFS
Cf. A280961.
Sequence in context: A217676 A203169 A214815 * A252705 A239670 A292423
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2017
STATUS
approved