OFFSET

1,2

EXAMPLE

n=11: a(10) = 4 and a(9) = a(6) = 4, therefore a(11) =

a(10)/spf(a(10))+3 = 4/spf(4)+3 = 2+3 = 5.

CROSSREFS

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Sep 20 2003

STATUS

approved