OFFSET
1,1
COMMENTS
Column 4 of A222386
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 16*a(n-1) +8352*a(n-5) -133632*a(n-6) -18096384*a(n-10) +289542144*a(n-11) +2753724416*a(n-15) -44059590656*a(n-16) -143077146624*a(n-20) +2289234345984*a(n-21) +2757369004032*a(n-25) -44117904064512*a(n-26) -17592186044416*a(n-30) +281474976710656*a(n-31)
EXAMPLE
Some solutions for n=3
..0..1..1..1....0..1..1..0....1..1..0..1....0..0..1..1....0..1..0..0
..1..0..0..0....0..0..0..0....1..1..1..0....1..0..0..0....1..0..1..1
..1..1..1..0....0..0..1..0....0..0..1..0....0..1..0..1....1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 18 2013
STATUS
approved