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 A050661 #6 Oct 14 2019 23:56:15 %S A050661 101,111,119,139,141,159,161,169,171,191,261,291,309,327,363,409,411, %T A050661 429,459,507,527,567,573,583,597,651,671,707,763,767,777,857,917,977, %U A050661 1003,1009,1013,1019,1031,1049,1069,1091,1127,1131,1159,1161,1167,1179 %N A050661 Numbers n such that number of primes produced according to rules stipulated in Honaker's A048853 is 10. %e A050661 Altering a(2)=111 gives 10 primes: 211, 311, 811, 911, 101, 131, 151, 181, 191 and 113. %Y A050661 Cf. A048853, A050662, A050672. %K A050661 nonn,base %O A050661 1,1 %A A050661 _Patrick De Geest_, Jul 15 1999