editing
approved
editing
approved
R. H. Hardin, <a href="/A298845/b298845.txt">Table of n, a(n) for n = 1..210</a>
allocated for R. H. Hardin
Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
8, 1933, 3820, 14888, 62393, 290474, 1276034, 5745665, 26250580, 117940632, 529830532, 2398014801, 10851357559, 49048617886, 221887809644, 1004033294806, 4542287520456, 20553927069804, 93029936095342, 421086056398025
1,1
Column 7 of A298846.
Some solutions for n=5
..0..1..0..1..0..1..0. .0..0..1..0..1..0..1. .0..1..0..1..0..1..1
..1..0..1..1..1..0..1. .0..1..0..1..1..1..0. .1..0..0..0..1..0..1
..1..1..1..1..1..1..1. .0..1..1..1..1..1..1. .0..0..0..0..0..0..1
..1..0..1..1..1..0..1. .0..1..0..1..1..1..0. .1..0..0..0..1..0..1
..0..1..0..1..0..1..0. .0..0..1..0..1..0..1. .0..1..0..1..0..1..1
Cf. A298846.
allocated
nonn
R. H. Hardin, Jan 27 2018
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allocated for R. H. Hardin
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