OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
FORMULA
n such that A061398(n) = prime(n+1)-prime(n)-1.
PROG
(PARI) isok(n) = for (k=prime(n)+1, prime(n+1)-1, if (!issquarefree(k), return (0))); 1; \\ Michel Marcus, Apr 29 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 28 2002
STATUS
approved