OFFSET
1,1
PROG
(PARI) p1=3; for(m=2, 112664172, p2=nextprime(p1+1); if(p2-p1==numdiv((p2+p1)/2)-1, print1(p1 ", ")); p1=p2) /* Donovan Johnson, Sep 10 2012 */
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Next term if it exists is > 2*10^6. - Michel ten Voorde Apr 13 2001
Offset corrected and a(5)-a(26) from Donovan Johnson, Sep 10 2012
STATUS
approved