OFFSET
1,1
COMMENTS
Column 2 of A223432
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-1) -57*a(n-2) +28*a(n-3) +225*a(n-4) -230*a(n-5) -192*a(n-6) +232*a(n-7) +28*a(n-8) -48*a(n-9)
EXAMPLE
Some solutions for n=3
..4..2....2..5....7..3....9..5....7.11....8.12....4..2....4..2....3..1....8..4
..2..0....5..2....3..6...14..9....4..7....5..8....2..5....7..4....1..0....5..8
..4..2....9..5....7.11....9..5....8.12....8.13....0..2....3..7....4..1....8..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved