OFFSET
1,1
COMMENTS
Primes of the form A073131(k)/2. - Amiram Eldar, Jul 08 2024
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
EXAMPLE
prime(prime(3)) - prime(prime(2)) = 6. 6/2 = 3 = first term.
prime(prime(4)) - prime(prime(3)) = 6. 6/2 = 3 = second term.
MATHEMATICA
With[{t = Table[Prime[Prime[n]], {n, 1, 400}]}, Select[(Rest[t] - Most[t])/2, PrimeQ]] (* Amiram Eldar, Jul 08 2024 *)
PROG
(PARI) lista(n) = for(x=1, n, y=prime(prime(x+1)) - prime(prime(x)); if(y%2==0&isprime(y/2), print1(y\2", ")))
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Sep 10 2004
EXTENSIONS
Offset corrected by Amiram Eldar, Jul 08 2024
STATUS
approved