OFFSET
1,1
COMMENTS
Essentially the same as A016825.
LINKS
FORMULA
a(n) = 4*n + 2. - Max Alekseyev, Mar 03 2007
a(n) = 8*n - a(n-1), with a(1)=6. - Vincenzo Librandi, Aug 08 2010
a(1)=6, a(2)=10; for n>2, a(n) = 2*a(n-1) - a(n-2). - Harvey P. Dale, Mar 06 2012
PROG
(PARI) a(n) = 4*n+2; \\ Altug Alkan, Jul 23 2018
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Labos Elemer, Aug 08 2002
EXTENSIONS
Definition simplified by Michel Marcus, Jul 26 2018
STATUS
approved