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A031337
a(n) = prime(4*n).
1
7, 19, 37, 53, 71, 89, 107, 131, 151, 173, 193, 223, 239, 263, 281, 311, 337, 359, 383, 409, 433, 457, 479, 503, 541, 569, 593, 613, 641, 659, 683, 719, 743, 769, 809, 827, 857, 881, 911, 941, 971, 997, 1021, 1049, 1069, 1097, 1123, 1163, 1193
OFFSET
1,1
LINKS
MAPLE
ithprime(4*n)
MATHEMATICA
Prime[4 Range[50]] (* Alonso del Arte, Feb 20 2013 *)
PROG
(Magma) [NthPrime(4*n): n in [1..1000]]; // Vincenzo Librandi, Apr 11 2011
(PARI) a(n)=prime(4*n) \\ Edward Jiang, Sep 08 2014
CROSSREFS
Cf. A031215.
Sequence in context: A215421 A192594 A352243 * A241984 A301717 A152540
KEYWORD
nonn,easy
AUTHOR
STATUS
approved