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 A125576 #19 Jun 19 2021 04:53:27 %S A125576 264426203,295902073,361949821,704544167,1075639757,1259347393, %T A125576 1290546427,1301756207,1335396547,1370742383,1460811643,1497078991, %U A125576 1514647247,1643839649,1783137281,2142070103,2424093281,2471124197,2494743721,2577014057,2706824389,2951139253 %N A125576 Primes p=prime(i) of level (1,15), i.e., such that A118534(i)=prime(i-15). %C A125576 This subsequence of A125830 and of A162174 gives primes of level (1,15): 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 A125576 Fabien Sibenaler, <a href="/A125576/b125576.txt">Table of n, a(n) for n = 1..100</a> %e A125576 prime(16042282) - prime(16042281) = 295902247 - 295902073 = 295902073 - 295901899 = prime(16042281) - prime(16042281-15) and prime(16042281) has level 1 in A117563, so prime(16042281)=295902073 has level (1,15). %o A125576 (PARI) lista(nn) = my(c=16, v=primes(16)); forprime(p=59, nn, if(2*v[c]-p==v[c=c%16+1], print1(precprime(p-1), ", ")); v[c]=p); \\ _Jinyuan Wang_, Jun 18 2021 %Y A125576 Cf. A117078, A117563, A006562 (primes of level (1,1)), A117876, A118464, A118467, A119402, A119403, A119404. %K A125576 nonn %O A125576 1,1 %A A125576 _Rémi Eismann_ and _Fabien Sibenaler_, Jan 27 2007 %E A125576 Definition and comment reworded following suggestions from the authors. - _M. F. Hasler_, Nov 30 2009 %E A125576 Terms a(5) and beyond from b-file by _Andrew Howroyd_, Feb 05 2018