OFFSET
1,1
COMMENTS
Column 7 of A252861
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +4*a(n-2) -2*a(n-3) +4*a(n-4) -4*a(n-5) -29*a(n-6) +5*a(n-7) +4*a(n-8) +75*a(n-10) +79*a(n-11) -11*a(n-12) -163*a(n-13) -167*a(n-14) +3*a(n-15) +123*a(n-16) +135*a(n-17) +58*a(n-18) +4*a(n-19) -32*a(n-20) -39*a(n-21) -84*a(n-22) -61*a(n-23) +26*a(n-24) +47*a(n-25) +62*a(n-26) -3*a(n-27) -17*a(n-28) -21*a(n-29) -4*a(n-30) +6*a(n-31) +a(n-32) +2*a(n-33) -a(n-34) for n>36
EXAMPLE
Some solutions for n=4
..0..0..1..1..2..2..0..2..0....0..1..0..1..1..2..1..2..1
..1..0..1..0..1..0..0..2..2....1..0..0..2..2..1..1..0..0
..0..2..2..1..1..2..2..0..2....1..1..2..1..2..2..0..2..0
..1..2..2..0..2..0..2..2..1....0..0..2..2..1..1..0..0..1
..1..1..0..0..2..2..0..0..1....0..1..1..2..1..2..1..2..1
..2..2..0..2..0..2..0..2..0....2..1..1..0..0..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 23 2014
STATUS
approved