This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A339540 #19 May 03 2023 09:14:32 %S A339540 2,3,5,13,37,61,157,421,541,613,673,877,1153,1201,1213,1381,1621,1873, %T A339540 1933,2003,2017,2027,2039,2063,2081,2087,2099,2129,2143,2179,2207, %U A339540 2239,2243,2251,2267,2273,2281,2351,2393,2399,2411,2423,2441,2447,2459,2467,2503 %N A339540 Primes p that are the smallest prime congruent to 1 mod k only for k = p - 1. %C A339540 Old name: Primes that are not terms of A338929. %C A339540 Equivalently, primes that occur only once in A034694. - _Peter Munn_, May 02 2023 %Y A339540 Cf. A000040, A034694, A338929. %K A339540 nonn %O A339540 1,1 %A A339540 _Ahmad J. Masad_, Dec 08 2020 %E A339540 New name from _Peter Munn_, May 02 2023