OFFSET
1,1
COMMENTS
Column 4 of A207762
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 6*a(n-1) -14*a(n-2) +30*a(n-3) -77*a(n-4) +120*a(n-5) -153*a(n-6) +281*a(n-7) -311*a(n-8) +236*a(n-9) -422*a(n-10) +351*a(n-11) -110*a(n-12) +387*a(n-13) -284*a(n-14) -3*a(n-15) -264*a(n-16) +172*a(n-17) +52*a(n-18) +84*a(n-19) -56*a(n-20) -24*a(n-21) -16*a(n-22) +16*a(n-23) for n>24
EXAMPLE
Some solutions for n=4
..1..1..0..0....0..0..1..1....1..1..0..0....0..0..1..1....1..1..0..0
..0..1..0..0....1..1..1..0....0..1..1..0....0..0..1..1....0..1..1..0
..0..1..1..0....0..0..1..0....0..1..0..0....0..1..1..0....0..1..0..0
..1..1..0..0....0..0..1..1....1..1..0..0....0..0..1..0....0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 19 2012
STATUS
approved