OFFSET
1,1
COMMENTS
Column 4 of A259894
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +5*a(n-2) +34*a(n-3) +80*a(n-4) -71*a(n-5) -356*a(n-6) -455*a(n-7) -587*a(n-8) +739*a(n-9) +2387*a(n-10) +1309*a(n-11) +297*a(n-12) -613*a(n-13) -1780*a(n-14) -1644*a(n-15) -1034*a(n-16) -291*a(n-17) +137*a(n-18) +53*a(n-19) +18*a(n-20) +12*a(n-21) -6*a(n-22)
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..0....1..0..0..0..0..0....0..0..0..1..1..0....0..0..1..0..0..1
..1..0..0..0..0..0....1..0..0..0..0..1....1..0..0..0..0..0....0..0..1..0..0..0
..0..0..0..0..0..0....0..0..0..0..0..1....1..0..0..0..0..0....0..0..0..0..0..0
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..0..0..0..1....0..0..0..0..0..0....0..0..0..0..0..1....0..0..1..0..0..0
..1..0..0..0..0..0....0..1..1..0..0..1....1..0..0..0..0..1....0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 07 2015
STATUS
approved