OFFSET
1,1
COMMENTS
Column 4 of A198914
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..123
FORMULA
Empirical: a(n) = 2296*a(n-1) -1239092*a(n-2) +252277904*a(n-3) -24632440060*a(n-4) +1347961370754*a(n-5) -44994493075469*a(n-6) +960046624478492*a(n-7) -13429762946315149*a(n-8) +124540876930445980*a(n-9) -765040702294085198*a(n-10) +3074302608489782520*a(n-11) -7884335188124038674*a(n-12) +12438514719451024794*a(n-13) -11471383995777540513*a(n-14) +5595786642970619820*a(n-15) -1099871574411268404*a(n-16)
EXAMPLE
Some solutions with values 0 to 7 for n=3
..0..1..2..3....0..1..0..2....0..1..2..3....0..1..2..1....0..1..0..2
..3..4..5..2....3..4..5..3....4..5..0..6....3..4..5..6....2..0..3..4
..6..7..1..6....6..1..7..2....2..7..6..5....4..7..0..7....3..5..6..7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 31 2011
STATUS
approved