OFFSET
1,2
COMMENTS
Column 5 of A303325.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +2*a(n-2) +20*a(n-3) -44*a(n-4) -36*a(n-5) -124*a(n-6) +282*a(n-7) +212*a(n-8) +259*a(n-9) -333*a(n-10) -510*a(n-11) -408*a(n-12) -836*a(n-13) +476*a(n-14) +727*a(n-15) -2239*a(n-16) +1520*a(n-17) +5253*a(n-18) -1133*a(n-19) -2582*a(n-20) +3952*a(n-21) +2247*a(n-22) -5936*a(n-23) -2324*a(n-24) +2534*a(n-25) -1666*a(n-26) -1578*a(n-27) +920*a(n-28) +256*a(n-29) -96*a(n-30) +64*a(n-31) +32*a(n-32) +32*a(n-33) for n>35
EXAMPLE
Some solutions for n=5
..0..1..0..0..0. .0..0..0..0..0. .0..0..1..0..0. .0..1..1..1..0
..1..1..1..0..1. .1..0..1..0..1. .1..0..0..0..1. .0..1..1..1..0
..1..0..1..0..1. .1..0..1..0..1. .1..0..1..0..1. .0..1..0..1..0
..1..1..1..0..1. .1..0..1..0..1. .1..0..0..0..1. .0..1..1..1..0
..1..1..1..0..1. .0..0..0..0..0. .1..0..0..0..1. .0..1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 21 2018
STATUS
approved