OFFSET
1,1
COMMENTS
Column 5 of A261113
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-2) +35*a(n-4) +47*a(n-6) -39*a(n-8) -15*a(n-10) -71*a(n-12) +169*a(n-14) -113*a(n-16) +39*a(n-18) -10*a(n-20) +a(n-22) +a(n-24) for n>25
EXAMPLE
Some solutions for n=4
..1..0..1..0..1..0..0....0..1..0..1..0..1..0....0..1..0..1..0..1..0
..0..0..0..1..0..1..0....1..0..1..0..1..0..1....0..0..1..0..1..0..1
..1..0..1..0..1..0..1....0..1..0..1..0..1..0....0..1..0..1..0..0..0
..0..1..0..0..0..1..0....1..0..1..0..1..0..1....1..0..1..0..1..0..1
..1..0..1..0..1..0..1....0..1..0..1..0..1..0....0..1..0..0..0..1..0
..0..1..0..1..0..1..0....0..0..1..0..1..0..1....1..0..1..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 08 2015
STATUS
approved