OFFSET
0,1
COMMENTS
The old entry with this sequence number was a duplicate of A010581.
LINKS
FORMULA
G.f.: (6-11x+11x^2)/(1-x)^3. Binomial transform of 6,1,6,0,0,.. (0 continued). - R. J. Mathar, Sep 29 2008
PROG
(PARI) a(n)=3*n^2-2*n+6 \\ Charles R Greathouse IV, Jun 17 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Steven Weintraub (mooncalf_(AT)yahoo.com), Sep 24 2008
STATUS
approved