editing
approved
editing
approved
R. H. Hardin, <a href="/A298927/b298927.txt">Table of n, a(n) for n = 1..210</a>
allocated for R. H. Hardin
Number of nX5 0..1 arrays with every element equal to 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
0, 11, 3, 23, 94, 255, 666, 2720, 8571, 30093, 106192, 369318, 1291934, 4552705, 15952349, 56078262, 197277132, 693611434, 2438933680, 8579643205, 30173988847, 106130105150, 373307026724, 1313049614295, 4618497134678, 16245278266932
1,2
Column 5 of A298930.
Some solutions for n=5
..0..0..1..0..0. .0..0..1..0..0. .0..0..1..0..0. .0..0..1..1..1
..0..1..1..0..0. .0..1..1..1..0. .1..0..1..1..0. .0..0..1..1..1
..1..1..1..1..1. .1..0..0..0..1. .1..1..0..0..1. .0..0..1..1..1
..0..0..1..0..1. .0..1..1..1..0. .1..0..1..1..0. .0..0..1..1..1
..0..1..1..0..0. .0..0..1..0..0. .0..0..1..0..0. .0..0..1..1..1
Cf. A298930.
allocated
nonn
R. H. Hardin, Jan 29 2018
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editing
allocated for R. H. Hardin
allocated
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