OFFSET
6,1
COMMENTS
The density of these numbers approach 0 as n approaches oo.
PROG
(PARI) maxpmmintwin(n) = { c=0; forprime(p=3, n, if(!isprime(p-2) & !isprime(p+2), print1(p+p", "); c++); ); print(); print(c" "c/n+.0) }
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Aug 13 2003
STATUS
approved