OFFSET
1,1
COMMENTS
Column 3 of A263816
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 30*a(n-1) +196*a(n-2) -1915*a(n-3) -3770*a(n-4) +30778*a(n-5) -14022*a(n-6) -75638*a(n-7) +75638*a(n-8) +14022*a(n-9) -30778*a(n-10) +3770*a(n-11) +1915*a(n-12) -196*a(n-13) -30*a(n-14) +a(n-15)
EXAMPLE
Some solutions for n=2
..2..0..1..3....2..0..1..3....1..5..3..2....0..2..3..1....2..0..3..1
..6..5..4..7....4..5..7..6....0..4..6.11....5..4..7..6....5..4..7.11
..9..8.11.10...10..9..8.11....8..9.10..7....8..9.11.10....9..8..6.10
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 27 2015
STATUS
approved