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 A115913 #5 Jul 15 2021 21:25:07 %S A115913 5,7,9,12,52,60,64,74,78,96,118,122,124,132,138,150,160,166,184,186, %T A115913 190,210,234,240,250,252,256,258,284,306,314,334,438,462,500,570,612, %U A115913 666,678,690,874,1056,1396,1650,1784,1860,1946,1994,2020,2052,2188 %N A115913 Numbers k such that prime(k) - k is a brilliant number (A078972). %e A115913 prime(666) - 666 = 59*73. %Y A115913 Cf. A078972, A115912. %K A115913 nonn,base %O A115913 1,1 %A A115913 _Giovanni Resta_, Feb 06 2006