OFFSET
0,2
LINKS
R. G. Wilson v, Letter to N. J. A. Sloane, Nov. 1988
FORMULA
A(0,n)=1+n, A(m+1,0)=A(m,1), A(m+1;n+1)=A(m,A(m+1,n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), Mar 10 2007
STATUS
approved