OFFSET
1,1
COMMENTS
Row 2 of A264506.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +7*a(n-2) -8*a(n-3) -9*a(n-4) +10*a(n-5) -a(n-6) +a(n-8) -10*a(n-9) +9*a(n-10) +8*a(n-11) -7*a(n-12) -2*a(n-13) +a(n-14)
EXAMPLE
Some solutions for n=4
..1..0..3..4..8....1..2..3..7..8....1..2..6..4..3....1..2..6..4..3
..6.10..2..7.13....0.10.11.12..4....0..7.11.12..8....0..7..8.12.13
..5.12.11.14..9....5..6.13.14..9....5.10.13.14..9....5.10.11.14..9
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 15 2015
STATUS
approved