OFFSET
1,2
COMMENTS
Column 4 of A316932.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 13*a(n-1) -2*a(n-2) -30*a(n-3) -788*a(n-4) -1041*a(n-5) +1816*a(n-6) +11987*a(n-7) +22733*a(n-8) -1842*a(n-9) -71393*a(n-10) -158096*a(n-11) -124732*a(n-12) +82321*a(n-13) +357878*a(n-14) +457301*a(n-15) +230798*a(n-16) -137151*a(n-17) -360963*a(n-18) -306530*a(n-19) -130705*a(n-20) -40430*a(n-21) -55924*a(n-22) -79916*a(n-23) -65815*a(n-24) -38444*a(n-25) -24948*a(n-26) -24544*a(n-27) -18848*a(n-28) -6342*a(n-29) -2280*a(n-30) -1232*a(n-31) -304*a(n-32) -56*a(n-33) +96*a(n-34) for n>35
EXAMPLE
Some solutions for n=5
..0..0..1..0. .0..1..0..1. .0..1..0..1. .0..0..0..1. .0..1..0..1
..1..1..1..0. .1..1..0..1. .0..1..1..0. .1..1..1..0. .0..1..1..0
..0..0..0..0. .0..0..1..1. .1..0..0..1. .1..0..0..1. .1..1..0..0
..0..0..1..1. .1..0..1..0. .1..0..1..0. .0..1..0..1. .0..1..1..1
..0..0..1..0. .0..1..0..1. .1..0..1..0. .0..1..1..0. .1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 16 2018
STATUS
approved