OFFSET
1,1
COMMENTS
Column 5 of A223202
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 512*a(n-1) -66560*a(n-2) +3014656*a(n-3) -50331648*a(n-4) +268435456*a(n-5)
EXAMPLE
Some solutions for n=3
..0..3..0..3..1....0..3..0..3..4....0..3..0..1..2....0..3..4..3..0
..3..0..3..1..5....3..0..3..4..3....3..0..4..2..0....3..0..3..5..2
..0..1..5..3..1....0..3..4..2..1....0..1..0..4..2....0..3..1..2..1
Face neighbors:
0,5 -> 1 2 3 4
1,4 -> 0 2 3 5
2,3 -> 0 1 4 5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 2013
STATUS
approved