cp's OEIS Frontend

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.

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A298820 Values of n for which pi_{24,19}(p_n) - pi_{24,1}(p_n) = -1, where p_n is the n-th prime and pi_{m,a}(x) is the number of primes <= x which are congruent to a (mod m).

Original entry on oeis.org

21317046795798, 21317046796093, 21317046796102, 21317046796104, 21317046796154, 21317046796159, 21317046796172, 21317046796185, 21317046796193, 21317046796208, 21317046796212, 21317046796221, 21317046796226, 21317046796229, 21317046796240, 21317046796968, 21317046796986, 21317046796992, 21317046797002, 21317046797007
Offset: 1

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Author

Andrey S. Shchebetov and Sergei D. Shchebetov, Jan 27 2018

Keywords

Comments

This is a companion sequence to A298821 and the first discovered for pi_{24,19}(p) - pi_{24,1}(p) prime race. The full sequence up to 10^15 contains 5 sign-changing zones with 3436990 terms in total with A(3436990) = 23049274819456 as the last one.

Crossrefs

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