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 A160227 #5 Jun 02 2025 01:39:43 %S A160227 3,7,11,19,23,25,31,41,43,47,59,67,71,73,79,83,89,97,103,107,127,131, %T A160227 137,139,151,163,167,169,179 %N A160227 Union of A160216 and squares of odd terms of A160215. %C A160227 The sequence is obtained by an application of an Eratosthenes-like sieve to A160217. %Y A160227 Cf. A160215 A160216 A160217 A000040 %K A160227 nonn %O A160227 1,1 %A A160227 _Vladimir Shevelev_, May 04 2009, May 06 2009 %E A160227 Edited by _N. J. A. Sloane_, May 08 2009