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 A125565 #15 Jun 19 2021 04:53:38 %S A125565 15014557,27001043,29602093,50234633,87028433,91814759,94529221, %T A125565 103336843,112840309,113774329,113961299,114887657,115528969, %U A125565 118974901,129235273,144352123,146127721,160370491,163559197,169274999,188168059,188895919,191829409,198823447 %N A125565 Primes p=prime(i) of level (1,12), i.e., such that A118534(i)=prime(i-12). %C A125565 This subsequence of A125830 and of A162174 gives primes of level (1,12): If prime(i) has level 1 in A117563 and 2*prime(i) - prime(i+1) = prime(i-k), then we say that prime(i) has level (1,k). %H A125565 Fabien Sibenaler, <a href="/A125565/b125565.txt">Table of n, a(n) for n = 1..1800</a> %e A125565 prime(5316164) - prime(5316163) = 91814831 - 91814759 = 91814759 - 91814687 = prime(5316163) - prime(5316163-12) and prime(5316163) has level 1 in A117563, so prime(5316163)=91814759 has level (1,12). %Y A125565 Cf. A006562 (primes of level (1,1)), A117078, A117563, A006562, A117876, A118464, A118467, A119402, A119403, A119404. %K A125565 nonn %O A125565 1,1 %A A125565 _Rémi Eismann_, Jan 27 2007 %E A125565 Definition and comment reworded following suggestions from the author. - _M. F. Hasler_, Nov 30 2009