OFFSET
1,1
COMMENTS
Column 2 of A185845
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=16*a(n-1)-81*a(n-2)+354*a(n-3)-423*a(n-4)-1212*a(n-5)+11545*a(n-6)-26105*a(n-7)+39610*a(n-8)-45245*a(n-9)+44999*a(n-10)-392268*a(n-11)+783566*a(n-12)-3468627*a(n-13)+6420741*a(n-14)-6371674*a(n-15)+3563213*a(n-16)+9619160*a(n-17)-4795228*a(n-18)+26611700*a(n-19)-73660858*a(n-20)+21692189*a(n-21)-69651145*a(n-22)+122552900*a(n-23)+38894274*a(n-24)+38755104*a(n-25)-143115104*a(n-26)-47053152*a(n-27)+38096928*a(n-28)+80391744*a(n-29)-23458176*a(n-30)-26341632*a(n-31)+12151296*a(n-32)-1354752*a(n-33)
EXAMPLE
Some solutions for 5X3
..2..1..0....0..0..2....1..1..0....2..1..0....1..0..2....1..1..0....1..0..0
..2..1..2....0..0..0....2..1..2....1..1..2....0..1..2....2..2..2....0..1..2
..1..1..1....2..0..2....2..0..2....0..2..2....0..2..1....2..2..2....2..2..2
..0..1..1....1..0..2....2..0..1....2..2..2....2..2..0....2..2..2....0..1..1
..0..1..0....1..0..1....0..0..1....2..0..2....0..0..0....2..2..2....2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 05 2011
STATUS
approved