OFFSET
1,1
COMMENTS
Column 7 of A241619
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +2*a(n-2) +25*a(n-3) -23*a(n-4) -32*a(n-5) -160*a(n-6) +84*a(n-7) +98*a(n-8) +497*a(n-9) -235*a(n-10) -176*a(n-11) -895*a(n-12) +423*a(n-13) +219*a(n-14) +1112*a(n-15) -491*a(n-16) -173*a(n-17) -971*a(n-18) +376*a(n-19) +116*a(n-20) +624*a(n-21) -213*a(n-22) -61*a(n-23) -305*a(n-24) +82*a(n-25) +23*a(n-26) +107*a(n-27) -27*a(n-28) -5*a(n-29) -32*a(n-30) +5*a(n-31) +a(n-32) +5*a(n-33) -a(n-34) -a(n-36)
EXAMPLE
Some solutions for n=5
..0....0....0....3....3....0....0....2....1....0....3....1....5....1....2....3
..5....2....4....0....0....0....1....0....2....6....1....0....0....0....1....0
..0....1....1....0....3....3....3....0....3....1....3....2....2....3....1....0
..0....1....0....1....2....4....2....0....1....0....0....3....2....4....3....1
..0....3....5....2....0....0....2....3....2....1....0....2....2....0....2....3
..2....0....0....0....3....0....1....2....2....4....1....0....1....2....1....0
..5....1....1....4....4....4....0....1....1....1....2....2....1....1....3....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 26 2014
STATUS
approved