OFFSET
1,1
COMMENTS
Column 4 of A305245.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +5*a(n-2) +4*a(n-3) +a(n-4) -20*a(n-5) -26*a(n-6) -9*a(n-7) -a(n-8) +39*a(n-9) +53*a(n-10) +39*a(n-11) +15*a(n-12) -6*a(n-13) -31*a(n-14) -54*a(n-15) -53*a(n-16) -26*a(n-17) +28*a(n-18) +18*a(n-19) +10*a(n-20) -a(n-21) -54*a(n-22) -24*a(n-23) +13*a(n-24) -5*a(n-25) -4*a(n-26) +5*a(n-27) +2*a(n-28) for n>32
EXAMPLE
Some solutions for n=5
..0..1..0..0. .0..0..0..0. .0..0..0..0. .0..0..1..1. .0..0..0..0
..0..1..0..0. .0..1..0..0. .0..1..0..0. .0..0..0..0. .0..0..0..0
..1..1..1..0. .0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0
..1..1..1..0. .0..0..0..0. .1..0..0..1. .0..0..0..0. .0..0..0..1
..1..1..1..1. .0..1..1..0. .1..0..0..1. .1..1..0..0. .0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 28 2018
STATUS
approved