OFFSET
1,2
COMMENTS
Column 7 of A297299.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) -6*a(n-2) -26*a(n-3) +18*a(n-4) +37*a(n-5) -25*a(n-7) -9*a(n-8) -6*a(n-9) -2*a(n-10) +6*a(n-11) +5*a(n-12) for n>14
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0..0. .0..1..1..0..0..0..0. .0..0..0..1..1..1..0
..0..0..1..1..1..1..0. .1..1..0..0..0..0..0. .0..0..1..0..1..1..1
..0..1..0..0..1..1..1. .0..0..0..0..0..0..0. .0..1..0..0..0..1..1
..1..1..1..0..0..1..0. .0..1..1..0..0..1..1. .1..1..1..1..0..1..0
..0..1..1..1..1..0..0. .1..1..0..0..1..1..0. .0..0..1..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 27 2017
STATUS
approved