OFFSET
1,2
COMMENTS
Column 4 of A298589.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +7*a(n-2) +5*a(n-3) -35*a(n-4) -43*a(n-5) -2*a(n-6) +110*a(n-7) +102*a(n-8) +114*a(n-9) -67*a(n-10) -202*a(n-11) -325*a(n-12) -89*a(n-13) +61*a(n-14) +109*a(n-15) +328*a(n-16) +163*a(n-17) +194*a(n-18) -164*a(n-19) -33*a(n-20) -176*a(n-21) -212*a(n-22) +41*a(n-23) +14*a(n-24) +15*a(n-25) +62*a(n-26) +41*a(n-27) -27*a(n-28) +13*a(n-29) +11*a(n-30) -14*a(n-31) +2*a(n-32) -a(n-33) -3*a(n-34)
EXAMPLE
Some solutions for n=5
..0..0..0..0. .0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..0..0
..0..0..0..0. .0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..0..0
..0..1..0..0. .0..0..1..1. .0..0..1..1. .0..0..1..0. .0..0..1..0
..0..0..0..0. .0..0..1..1. .1..1..0..0. .0..0..1..1. .0..0..0..0
..0..0..0..0. .0..0..1..1. .1..1..0..0. .0..0..1..1. .0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 22 2018
STATUS
approved