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A285025
Number of n X 3 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.
1
1, 6, 97, 442, 4892, 26226, 256732, 1544872, 14082710, 91677088, 797188437, 5483647480, 46175013577, 330178554834, 2719685483708, 19987724476418, 162187667549290, 1215451639260848, 9763451129789048, 74199887341866168
OFFSET
1,2
COMMENTS
Column 3 of A285030.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1. .1..1..1. .0..1..1. .1..1..1. .1..0..0. .0..0..1. .0..1..1
..0..1..0. .1..1..0. .0..0..0. .0..0..1. .1..1..1. .0..1..1. .0..1..0
..1..0..1. .0..1..0. .1..1..0. .0..0..0. .0..0..0. .0..0..1. .0..0..1
..0..0..1. .0..0..0. .1..0..0. .0..1..0. .0..0..0. .1..0..0. .0..0..1
CROSSREFS
Cf. A285030.
Sequence in context: A186269 A111826 A213797 * A288544 A064753 A322739
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 08 2017
STATUS
approved