OFFSET
1,1
COMMENTS
Row 2 of A239178
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 9*a(n-1) -30*a(n-2) +86*a(n-3) +25*a(n-4) +182*a(n-5) +437*a(n-6) +536*a(n-7) +1051*a(n-8) -5283*a(n-9) -3524*a(n-10) -4115*a(n-11) -8861*a(n-12) +28896*a(n-13) +22724*a(n-14) -27014*a(n-15) -3080*a(n-16) -931*a(n-17) -15313*a(n-18) +16851*a(n-19) +3650*a(n-20) -10094*a(n-21) +3499*a(n-22) +1512*a(n-23) -867*a(n-24) +322*a(n-25) -565*a(n-26) -199*a(n-27) +54*a(n-28) -40*a(n-29) +15*a(n-30) -2*a(n-31)
EXAMPLE
Some solutions for n=5
..0..0..2..2..2..1....0..0..0..2..2..0....0..0..0..1..1..0....2..2..2..2..2..0
..2..2..1..0..0..0....2..2..1..1..1..1....1..2..2..2..2..2....1..1..0..1..1..1
..0..0..2..2..2..2....0..0..2..2..2..0....0..0..1..1..0..0....0..0..1..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2014
STATUS
approved