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 A333859 #5 Apr 08 2020 07:53:03 %S A333859 7,14,23,34,47,62,79,98,110,119,123,142,167,194,223,254,287,322,359, %T A333859 398,439,482,488,527,574,623,674,702,727,782,839,898,959,1022,1087, %U A333859 1154,1223,1294,1298,1367,1442,1519 %N A333859 Integers k such that A269254(k) = -1. %C A333859 A008865(m) = m^2 - 2 is a term for any m > 2, see A269254 for a proof. Also note that 110, 123, 488, 702, 1298, ... are not of the form m^2 - 2. %H A333859 Andrew N. W. Hone, et al., <a href="https://arxiv.org/abs/1802.01793">On a family of sequences related to Chebyshev polynomials</a>, arXiv:1802.01793 [math.NT], 2018. %Y A333859 Cf. A008865, A269254. %K A333859 nonn,hard,more %O A333859 1,1 %A A333859 _Jinyuan Wang_, Apr 08 2020