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A184935
Primes of the form k^2 + prime(k).
8
3, 7, 23, 83, 181, 239, 563, 1013, 1447, 1607, 2129, 2729, 3167, 3881, 4673, 5849, 6481, 7489, 8563, 9719, 11813, 18713, 21563, 25247, 27197, 29221, 33469, 36467, 47977, 50683, 51599, 56237, 69257, 71389, 75731, 96893, 107119, 115163
OFFSET
1,1
COMMENTS
Primes in A004232. Sequence A064711 has the values of k.
LINKS
EXAMPLE
3167 is here because 54^2 + prime(54) = 54^2 + 251 = 3167, which is prime.
MATHEMATICA
Select[Table[k^2 + Prime[k], {k, 1000}], PrimeQ] (* Harvey P. Dale, Feb 16 2011 *)
PROG
(Magma) [ a: k in [0..10000] | IsPrime(a) where a is k^2 + NthPrime(k) ]; // Vincenzo Librandi, Apr 14 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jonathan Vos Post, Feb 02 2011
EXTENSIONS
Better name from Zak Seidov, Apr 12 2011
STATUS
approved