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 A364284 #21 Aug 27 2023 16:28:49 %S A364284 5,7,10,11,12,19,22,30,34,44,46,72,142 %N A364284 Numbers k such that A261627(k) = 1. %C A364284 Conjectured to be the only numbers k such that A261627(k) = 1. No other terms < 1.2 * 10^12. %H A364284 Zhi-Wei Sun, <a href="https://arxiv.org/abs/1211.1588">Conjectures involving primes and quadratic forms</a>, arXiv:1211.1588 [math.NT], 2012-2015. %Y A364284 Cf. A261627, A261628. %K A364284 nonn %O A364284 1,1 %A A364284 _Jud McCranie_, Aug 26 2023