login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A031377
a(n) = prime(3n-2).
4
2, 7, 17, 29, 41, 53, 67, 79, 97, 107, 127, 139, 157, 173, 191, 199, 227, 239, 257, 271, 283, 311, 331, 349, 367, 383, 401, 421, 439, 457, 467, 491, 509, 541, 563, 577, 599, 613, 631, 647, 661, 683, 709, 733, 751, 769, 797, 821, 829, 857, 877
OFFSET
1,1
LINKS
MATHEMATICA
Prime[3*Range[70]-2] (* Harvey P. Dale, Mar 23 2012 *)
PROG
(Magma) [ NthPrime(3*n-2): n in [1..1000] ]; // Vincenzo Librandi, Apr 11 2011
CROSSREFS
Sequence in context: A220273 A276698 A260801 * A019357 A024920 A091313
KEYWORD
nonn
AUTHOR
STATUS
approved