OFFSET
1,1
COMMENTS
Column 4 of A304855.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -8*a(n-2) +4*a(n-3) +8*a(n-4) -35*a(n-5) +57*a(n-6) -24*a(n-7) -87*a(n-8) +154*a(n-9) -134*a(n-10) +120*a(n-11) +163*a(n-12) -369*a(n-13) +430*a(n-14) -288*a(n-15) -172*a(n-16) +223*a(n-17) -1201*a(n-18) +574*a(n-19) +229*a(n-20) -123*a(n-21) +916*a(n-22) +417*a(n-23) +1047*a(n-24) +18*a(n-25) -834*a(n-26) -591*a(n-27) -851*a(n-28) -687*a(n-29) -257*a(n-30) +188*a(n-31) +500*a(n-32) +418*a(n-33) +177*a(n-34) +96*a(n-35) +30*a(n-36) -50*a(n-37) -84*a(n-38) -46*a(n-39) +4*a(n-41) for n>44
EXAMPLE
Some solutions for n=5
..0..0..0..1. .0..0..1..1. .0..0..0..0. .0..0..0..1. .0..0..0..0
..0..0..0..0. .0..0..0..1. .1..0..0..1. .0..0..0..0. .0..0..0..1
..0..0..1..1. .0..0..0..0. .0..1..1..0. .0..0..0..0. .0..0..1..1
..0..0..0..0. .0..0..0..0. .1..1..1..1. .0..0..0..1. .0..1..1..1
..0..1..1..0. .1..0..0..0. .1..1..1..1. .0..0..1..1. .1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 19 2018
STATUS
approved