OFFSET
1,1
COMMENTS
Row 2 of A240250
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..167
FORMULA
Empirical: a(n) = a(n-1) +13*a(n-2) -2*a(n-3) -43*a(n-4) -28*a(n-5) +4*a(n-6) -a(n-7) +89*a(n-8) +142*a(n-9) -137*a(n-10) +71*a(n-11) +263*a(n-12) -232*a(n-13) +48*a(n-14) +179*a(n-15) -182*a(n-16) +52*a(n-17) +106*a(n-18) +34*a(n-19) +10*a(n-20) +12*a(n-21) +22*a(n-22) -36*a(n-23) +4*a(n-24) +4*a(n-25)
EXAMPLE
Some solutions for n=4
..2..1..2..2....3..2..2..2....3..1..2..1....1..3..3..2....2..1..1..1
..3..0..0..1....1..0..3..3....2..0..3..3....2..0..1..1....3..0..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved