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 A158847 #4 Jun 02 2025 01:27:32 %S A158847 41,47,53,59,61,97,109,149,167,173,227,233,239,251,271,283,313,331, %T A158847 349,373,409,433,439,499,509,521,557,563,593,641,677,743,761,827,887, %U A158847 911,941,953,1013,1019,1021,1039,1051,1129,1171,1237,1279,1291,1297 %N A158847 Removed primes according to algorithm of A156284 beginning with m=6. %C A158847 Powers 2^m, m>=6, are not expressible as sums of two primes which are not in the sequence %Y A158847 A156284 A158756 A158759 A158846 %K A158847 nonn,uned %O A158847 1,1 %A A158847 _Vladimir Shevelev_, Mar 28 2009