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 A102211 #14 Sep 08 2022 08:45:16 %S A102211 1,4,8,9,12,16,20,24,28,32,33,36,40,44,48,52,56,60,64,65,68,72,76,80, %T A102211 84,88,92,96,100,104,108,112,116,120,124,128,129,132,136,140,144,148, %U A102211 152,156,160,161,164,168,172,176,180,184,188,192,196,200,204,208,212,216 %N A102211 Numbers k with A102210(k) = 0. %H A102211 Amiram Eldar, <a href="/A102211/b102211.txt">Table of n, a(n) for n = 1..10000</a> %F A102211 A102210(a(n)) = 0. %t A102211 f[n_] := Count[Range[n], _?(PrimeQ[#] && BitAnd[n, #] == # &)]; Select[Range[216], f[#] == 0 &] (* _Amiram Eldar_, Jan 12 2020 *) %o A102211 (Magma) [k:k in [1..220]|#[p:p in PrimesUpTo(k)| p eq BitwiseAnd(k,p)] eq 0 ]; // _Marius A. Burtea_, Jan 12 2020 %Y A102211 A008586 is a subsequence. %Y A102211 Cf. A102210, A102212, A102213. %K A102211 nonn,base %O A102211 1,2 %A A102211 _Reinhard Zumkeller_, Dec 30 2004