OFFSET
1,2
COMMENTS
Column 5 of A295205.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -7*a(n-2) +8*a(n-3) +16*a(n-5) -4*a(n-6) -71*a(n-7) +34*a(n-8) -123*a(n-9) -92*a(n-10) -94*a(n-11) +52*a(n-12) +370*a(n-13) +195*a(n-14) +622*a(n-15) +581*a(n-16) -286*a(n-17) -603*a(n-18) -1135*a(n-19) -627*a(n-20) +567*a(n-21) +347*a(n-22) +6*a(n-23) -217*a(n-24) -5*a(n-25) +32*a(n-26) -7*a(n-27) -7*a(n-28) -53*a(n-29) -6*a(n-30) +7*a(n-31) +2*a(n-32).
EXAMPLE
Some solutions for n=7
..1..1..1..0..0. .0..0..0..0..0. .0..0..0..1..1. .1..1..1..1..0
..1..0..1..0..0. .1..1..0..0..0. .0..0..0..1..1. .1..0..0..1..1
..1..1..1..0..0. .1..1..1..1..0. .0..0..0..0..0. .1..0..0..0..1
..0..0..0..1..1. .0..1..0..1..1. .0..0..1..1..0. .1..1..0..0..1
..0..1..1..1..1. .0..1..0..0..1. .1..1..1..1..0. .0..1..0..0..1
..0..1..0..1..0. .0..1..1..1..1. .1..0..1..0..0. .0..1..1..0..1
..0..1..1..1..0. .0..0..0..0..0. .1..1..1..0..0. .0..0..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 16 2017
STATUS
approved