OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
NextPrime[Select[Prime[Range[150]], NoneTrue[#+{2, -2}, PrimeQ]&]] (* Harvey P. Dale, Sep 07 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Nov 01 2009
EXTENSIONS
Corrected (229 replaced by 227) by R. J. Mathar, May 21 2010
STATUS
approved