OFFSET
1,1
COMMENTS
Among the initial terms, 12 occurs most frequently. 3 and 17 are also common.
EXAMPLE
(7, 2) = 41
(7, 3) = 59
41 + 59 = 100
rad(100) = A007947(100) = 10
Four divides 100, so (8, 3) = 20.
CROSSREFS
KEYWORD
AUTHOR
Reikku Kulon, Sep 17 2008
STATUS
approved