OFFSET
1,1
COMMENTS
Column 1 of A251567
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +683*a(n-2) -1190*a(n-3) -118654*a(n-4) +194244*a(n-5) +6910296*a(n-6) -10802232*a(n-7) -90489056*a(n-8) +131731584*a(n-9) +397649376*a(n-10) -495556416*a(n-11) -655135488*a(n-12) +561254400*a(n-13) +325140480*a(n-14)
EXAMPLE
Some solutions for n=2
..1..3....0..0....1..0....2..4....5..2....7..3....0..2....2..2....5..7....1..1
..3..4....6..5....0..1....2..3....6..0....1..2....1..2....3..6....6..1....0..1
..7..3....5..3....1..3....6..6....7..6....2..2....0..2....2..2....5..7....4..6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2014
STATUS
approved