OFFSET
1,1
COMMENTS
Column 2 of A250707
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 13*a(n-1) -64*a(n-2) +112*a(n-3) +193*a(n-4) -1145*a(n-5) +1171*a(n-6) +2815*a(n-7) -7600*a(n-8) +620*a(n-9) +17570*a(n-10) -16376*a(n-11) -18514*a(n-12) +37522*a(n-13) +1693*a(n-14) -44011*a(n-15) +19988*a(n-16) +29252*a(n-17) -26851*a(n-18) -9189*a(n-19) +18134*a(n-20) -1082*a(n-21) -7142*a(n-22) +2176*a(n-23) +1569*a(n-24) -849*a(n-25) -139*a(n-26) +153*a(n-27) -9*a(n-28) -11*a(n-29) +2*a(n-30)
EXAMPLE
Some solutions for n=4
..0..2..2....0..1..1....0..0..0....0..1..1....0..1..0....0..0..1....0..0..1
..1..1..3....2..0..3....1..2..3....1..1..1....1..0..2....1..0..1....0..0..2
..2..2..3....0..2..2....1..2..3....0..2..2....0..1..2....0..2..1....1..0..2
..1..3..2....0..2..3....1..3..3....2..2..3....0..1..2....2..1..2....0..2..2
..3..2..3....3..3..3....1..3..3....2..3..3....1..0..3....1..2..1....2..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2014
STATUS
approved