OFFSET
1,1
EXAMPLE
n=2: 61 is before 66.
MATHEMATICA
<<NumberTheory`NumberTheoryFunctions` Table[PreviousPrime[6*(10^n-1)/9], {n, 1, 35}]
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Labos Elemer, Nov 17 2004
STATUS
approved