OFFSET
1,2
PROG
(PARI) isok(n) = bigomega(prime(n+2) - (prime(n+1)-prime(n))) == 2 \\ Michel Marcus, Jun 03 2013
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Apr 04 2005
EXTENSIONS
More terms from Rick L. Shepherd, May 18 2005
STATUS
approved