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 A325145 #9 May 16 2019 17:34:51 %S A325145 2,23,47,59,71,83,107,131,167,179,191,227,239,251,263,311,347,359,383, %T A325145 419,431,443,467,479,491,503,563,587,599,647,659,719,743,827,839,863, %U A325145 887,911,947,971,983,1019,1091,1103,1151,1163,1187,1223 %N A325145 Primes not representable by cyclotomic binary forms. %H A325145 Étienne Fouvry, Claude Levesque, Michel Waldschmidt, <a href="http://dx.doi.org/10.4064/aa171012-24-12">Representation of integers by cyclotomic binary forms</a>, Acta Arithmetica 184 (2018), 67-86; <a href="https://arxiv.org/abs/1712.09019">arXiv:1712.09019</a>, arXiv:1712.09019 [math.NT], 2017. %o A325145 (Julia) %o A325145 [n for n in 1:1223 if isprime(ZZ(n)) && ! isA325143(n)] |> println %Y A325145 A325143 gives the primes represented by cyclotomic binary forms. %Y A325145 Cf. A293654, A299214, A299498, A299733, A299928, A299930, A299956, A299964. %K A325145 nonn %O A325145 1,1 %A A325145 _Peter Luschny_, May 16 2019