OFFSET
1,1
COMMENTS
LINKS
Zak Seidov and Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Partition[Prime[Range[28*10^6]], 3, 1], Differences[#]=={90, 90}&][[;; , 1]] (* Harvey P. Dale, Oct 18 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Jan 19 2012
STATUS
approved