OFFSET
1,1
COMMENTS
Column 3 of A264272.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-1) +14*a(n-2) -210*a(n-3) +210*a(n-5) -14*a(n-6) -14*a(n-7) +a(n-8)
EXAMPLE
Some solutions for n=4
..0..1..2..3....0..1..2..3....0..1..2..3....6..5..2..3....6..7..2..3
..4..5.10..7....4..5..6.11...10..9..6..7....4..1..0..7....0..1.10.11
.12.15..6.11...14.15.10..7....8..5..4.15...12.13.14.11....4..9.14..5
..8.19.14..9...12..9..8.19...16.13.18.11....8..9.10.19....8.19.18.15
.16.17.18.13...16.17.18.13...12.17.14.19...16.17.18.15...16.17.12.13
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 10 2015
STATUS
approved