OFFSET
1,2
COMMENTS
Column 4 of A298444.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +13*a(n-2) -2*a(n-3) -57*a(n-4) -59*a(n-5) +28*a(n-6) +171*a(n-7) +322*a(n-8) +29*a(n-9) -543*a(n-10) -351*a(n-11) +68*a(n-12) +8*a(n-13) +144*a(n-14) -37*a(n-15) -667*a(n-16) +38*a(n-17) +1412*a(n-18) +1080*a(n-19) +61*a(n-20) -156*a(n-21) -466*a(n-22) -864*a(n-23) -471*a(n-24) -21*a(n-25) -4*a(n-26) +67*a(n-27) +91*a(n-28) -12*a(n-29) -43*a(n-30) +16*a(n-31) +6*a(n-32) -13*a(n-33) +3*a(n-34) for n>36
EXAMPLE
Some solutions for n=5
..0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1
..0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1
..0..1..1..0. .0..1..1..1. .0..0..1..1. .1..1..1..1. .0..0..1..0
..0..0..1..1. .0..0..1..1. .0..0..1..1. .1..1..0..0. .0..0..1..1
..0..0..1..1. .0..0..1..1. .0..0..1..1. .1..1..0..0. .0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2018
STATUS
approved