OFFSET
1,2
COMMENTS
Column 4 of A283726.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-1) -a(n-2) -226*a(n-3) -1460*a(n-4) -2232*a(n-5) +1525*a(n-6) +22350*a(n-7) +39289*a(n-8) +13206*a(n-9) -146613*a(n-10) -259034*a(n-11) -136682*a(n-12) +488660*a(n-13) +810954*a(n-14) +302750*a(n-15) -834146*a(n-16) -986264*a(n-17) -173928*a(n-18) +495516*a(n-19) +329204*a(n-20) +4440*a(n-21) -35121*a(n-22) -16332*a(n-23) -13884*a(n-24) -5504*a(n-25) -1072*a(n-26) -320*a(n-27) -64*a(n-28)
EXAMPLE
Some solutions for n=4
..1..1..0..0. .0..0..1..1. .0..0..0..1. .1..0..1..1. .0..0..1..1
..0..0..1..1. .1..1..0..1. .0..0..1..1. .1..0..1..0. .1..0..1..0
..0..0..0..1. .0..1..0..0. .0..0..0..1. .0..1..0..0. .0..1..1..0
..1..0..0..0. .0..0..1..0. .0..0..1..1. .1..0..0..1. .1..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 15 2017
STATUS
approved