OFFSET
1,2
COMMENTS
FORMULA
a(n) = Sum_{k=1..n} binomial(n, k)*A008284(n, k). - Vladeta Jovovic, Jul 24 2005
EXAMPLE
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Alford Arnold, Sep 14 2004
EXTENSIONS
More terms from Vladeta Jovovic, Jul 24 2005
STATUS
approved