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 A116023 #4 Jun 19 2014 17:27:59 %S A116023 10,12,14,15,16,19,20,21,23,25,30,31,36,37,38,39,40,44,52,54,56,57,58, %T A116023 60,62,67,74,75,77,80,83,84,86,88,90,99,107,111,115,120,124,136,140, %U A116023 145,146,154,156,160,162,164,165,166,168,174,175,182,189,192,195,196 %N A116023 The n-th prime plus n gives a semiprime (A001358). %e A116023 p(30)+30=143=11*13. %Y A116023 Cf. A001358, A116012, A116024, A014688 %K A116023 nonn %O A116023 1,1 %A A116023 _Giovanni Resta_, Feb 13 2006