OFFSET
1,2
COMMENTS
Column 2 of A203277
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 36*a(n-1) -560*a(n-2) +5460*a(n-3) -37492*a(n-4) +184080*a(n-5) -652174*a(n-6) +1708101*a(n-7) -3402070*a(n-8) +5328827*a(n-9) -6942268*a(n-10) +7733863*a(n-11) -6899211*a(n-12) +4600369*a(n-13) -2220772*a(n-14) +777436*a(n-15) -202500*a(n-16)
EXAMPLE
Some solutions for n=4
..3..1....1..1....5..4....1..0....5..0....2..2....5..0....5..4....2..1....2..1
..5..3....5..3....5..4....1..1....5..0....5..2....5..4....5..4....5..5....2..1
..5..0....5..4....5..3....3..3....5..5....5..2....5..1....5..4....0..5....3..2
..5..5....5..5....5..5....0..3....0..4....5..5....5..5....5..5....0..0....3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 31 2011
STATUS
approved