OFFSET
1,1
COMMENTS
Column 4 of A316545.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +6*a(n-2) +8*a(n-3) -22*a(n-4) -78*a(n-5) -37*a(n-6) +165*a(n-7) +272*a(n-8) +4*a(n-9) -272*a(n-10) -162*a(n-11) -198*a(n-12) -557*a(n-13) +150*a(n-14) +1097*a(n-15) +302*a(n-16) -192*a(n-17) +80*a(n-18) -71*a(n-19) -217*a(n-20) -961*a(n-21) -322*a(n-22) +1046*a(n-23) -296*a(n-24) +409*a(n-25) +939*a(n-26) -1258*a(n-27) -418*a(n-28) +724*a(n-29) -278*a(n-30) -106*a(n-31) +314*a(n-32) -72*a(n-34) for n>38
EXAMPLE
Some solutions for n=5
..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..1..0..1. .0..0..0..0
..0..0..1..0. .1..0..0..0. .0..0..0..0. .0..0..1..1. .0..1..0..0
..0..0..1..0. .0..1..0..0. .0..1..0..0. .0..1..1..1. .1..0..0..0
..0..0..0..0. .1..1..1..1. .0..0..0..0. .1..0..1..1. .1..1..0..0
..0..0..0..0. .1..1..1..1. .0..0..0..0. .1..1..1..1. .1..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 06 2018
STATUS
approved