OFFSET
1,1
COMMENTS
Column 4 of A302808.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) +a(n-2) +25*a(n-3) -853*a(n-4) -99*a(n-5) +2046*a(n-6) +16917*a(n-7) -2302*a(n-8) -31502*a(n-9) -89718*a(n-10) +14428*a(n-11) +54836*a(n-12) -37484*a(n-13) +150384*a(n-14) -43524*a(n-15) +14472*a(n-16) -33696*a(n-17) +5832*a(n-18) for n>20
EXAMPLE
Some solutions for n=5
..0..1..1..0. .0..1..1..1. .0..1..0..0. .0..0..1..1. .0..1..1..0
..1..0..1..1. .0..0..1..0. .0..1..1..0. .1..0..1..1. .0..1..0..1
..1..0..1..1. .1..0..0..0. .0..0..1..1. .1..0..0..1. .1..0..1..0
..0..1..1..0. .1..0..0..1. .1..1..0..0. .0..1..1..0. .1..0..0..1
..0..0..0..1. .1..0..0..0. .0..1..1..1. .1..1..0..0. .1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 13 2018
STATUS
approved