OFFSET
1,2
COMMENTS
Column 3 of A221337
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..30
FORMULA
Empirical: a(n) = 66*a(n-2) -1131*a(n-4) +6726*a(n-6) -18808*a(n-8) +27860*a(n-10) -19388*a(n-12) +3240*a(n-14)
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 11 2013
STATUS
approved