OFFSET
1,2
LINKS
FORMULA
Inverse binomial transform of A048875: (l, 6, 25, 106, 449, ...). - Gary W. Adamson, Nov 23 2007
G.f.: (1+3*x)/(1-2*x-4*x^2). - Vladimir Kruchinin, May 06 2011
EXAMPLE
CROSSREFS
KEYWORD
nonn
AUTHOR
Gary W. Adamson, Oct 24 2007
STATUS
approved