A031373 a(n) = prime(7n-1).
13, 41, 71, 103, 139, 179, 223, 257, 293, 347, 383, 431, 463, 509, 569, 607, 647, 691, 743, 797, 839, 883, 941, 991, 1033, 1087, 1123, 1187, 1231, 1289, 1321, 1409, 1451, 1489, 1549, 1597, 1627, 1697, 1747, 1801, 1871, 1913, 1987, 2027
Offset: 1
Keywords
Links
- Ivan Panchenko, Table of n, a(n) for n = 1..1000
Programs
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Magma
[ NthPrime(7*n-1): n in [1..1000] ]; // Vincenzo Librandi, Apr 10 2011
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Mathematica
Prime[7Range[50]-1] (* Harvey P. Dale, Oct 31 2011 *)