OFFSET
1,1
COMMENTS
Column 5 of A283543.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 13*a(n-1) -15*a(n-2) -129*a(n-3) +568*a(n-4) +430*a(n-5) -2325*a(n-6) -175*a(n-7) -2127*a(n-8) +3919*a(n-9) +438*a(n-10) -262*a(n-11) -1743*a(n-12) +309*a(n-13) +1745*a(n-14) -463*a(n-15) -462*a(n-16) +152*a(n-17) +53*a(n-18) -19*a(n-19) -3*a(n-20) +a(n-21)
EXAMPLE
Some solutions for n=4
..1..0..0..0..1. .0..1..0..0..1. .0..1..0..1..0. .0..0..0..0..1
..0..0..1..0..1. .0..1..0..0..1. .0..1..0..1..0. .0..1..0..0..1
..0..0..1..0..1. .0..1..0..0..1. .0..0..0..0..0. .0..0..0..0..1
..0..1..0..0..0. .0..1..0..0..0. .0..1..0..0..0. .0..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 10 2017
STATUS
approved