OFFSET
1,1
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..10000 (first 1000 terms from Harry J. Smith)
EXAMPLE
MAPLE
q:= p-> isprime(p) and map(numtheory[bigomega], {p-2, p+2})={3}:
select(q, [$2..6000])[]; # Alois P. Heinz, Apr 01 2024
PROG
(PARI) { n=0; for (m=2, 10^9, p=prime(m); if (bigomega(p + 2) == 3 && bigomega(p - 2) == 3, write("b063645.txt", n++, " ", p); if (n==1000, break)) ) } \\ Harry J. Smith, Aug 27 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jul 21 2001
STATUS
approved