OFFSET
1,1
COMMENTS
Row 3 of A301884.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +3*a(n-3) +a(n-4) -a(n-5) +10*a(n-6) -13*a(n-7) -a(n-8) -19*a(n-9) -10*a(n-10) -8*a(n-11) -30*a(n-12) +8*a(n-13) -10*a(n-14) +19*a(n-15) -a(n-16) +13*a(n-17) +10*a(n-18) +a(n-19) +a(n-20) -3*a(n-21) -2*a(n-23) -a(n-24) for n>25
EXAMPLE
Some solutions for n=5
..0..1..0..1..0. .0..0..1..0..1. .0..1..0..1..0. .0..1..0..1..0
..0..0..0..1..0. .1..1..1..1..1. .0..0..0..1..1. .0..1..1..1..1
..1..1..0..0..0. .0..1..0..0..1. .1..1..0..0..1. .0..0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 2018
STATUS
approved