OFFSET
1,1
LINKS
Jon E. Schoenfield, Table of n, a(n) for n = 1..282
FORMULA
a(n) = 2*Product_{k=1..n} A144717(k) + 1.
MATHEMATICA
k = 2; a = {}; Do[If[PrimeQ[k n + 1], AppendTo[a, k n+1 ]; k = k n ], {n, 1, 3000}]; a
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Sep 19 2008
STATUS
approved