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a(n) = prime(7*n - 2).
1

%I #12 Sep 08 2022 08:44:50

%S 11,37,67,101,137,173,211,251,283,337,379,421,461,503,563,601,643,683,

%T 739,787,829,881,937,983,1031,1069,1117,1181,1229,1283,1319,1399,1447,

%U 1487,1543,1583,1621,1693,1741,1789,1867,1907,1979,2017

%N a(n) = prime(7*n - 2).

%H Ivan Panchenko, <a href="/A031381/b031381.txt">Table of n, a(n) for n = 1..1000</a>

%o (Magma) [ NthPrime(7*n-2): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 10 2011

%K nonn

%O 1,1

%A _Jeff Burch_