OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
FORMULA
a(n) = (A163573(n) - 1)/120.
EXAMPLE
a(1)=106 because 120*106 + 1 = 12721 = A163573(1).
MATHEMATICA
A163573 = {}; Do[p = Prime[n]; If[PrimeQ[(p + 1)/2] && PrimeQ[(p + 2)/3] && PrimeQ[(p + 3)/4], AppendTo[A163573, p]], {n, 2*9!}]; A163573;
Table[(A163573[[n]] - 1)/120, {n, 1, 50}] (* G. C. Greubel, Jul 30 2017 *)
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Zak Seidov, Aug 01 2009
STATUS
approved