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 A231254 #15 Aug 03 2023 03:46:04
%S A231254 37,47,107,137,233,331,463,491,557,587,607,631,653,733,823,829,883,
%T A231254 947,971,997,1153,1187,1193,1231,1249,1321,1327,1493,1543,1567,1663,
%U A231254 1667,1669,1709,1787,1801,1933,1987,2011,2027,2087,2143,2161,2213,2269,2273,2311
%N A231254 Odious primes p (A027697) such that p^2 and p^3 are evil (A027699).
%C A231254 Sequence {a(n)^4} is a subsequence of A227891 such that a(1)^4 = 1874161 is the smallest power of an odious prime that is in A227891.
%H A231254 Amiram Eldar, <a href="/A231254/b231254.txt">Table of n, a(n) for n = 1..10000</a>
%t A231254 evilQ[n_]:=EvenQ[DigitCount[n,2][[1]]];
%t A231254 odiousQ[n_]:=OddQ[DigitCount[n, 2][[1]]];
%t A231254 Select[Range[2000],PrimeQ[#]&&odiousQ[#]&&evilQ[#^2]&&evilQ[#^3]&] (* _Peter J. C. Moses_, Nov 08 2013 *)
%Y A231254 Cf. A001969, A027697, A027699, A227891.
%K A231254 nonn,base
%O A231254 1,1
%A A231254 _Vladimir Shevelev_ and _Peter J. C. Moses_, Nov 06 2013