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 A211160 #19 Feb 17 2013 08:20:48 %S A211160 4,10,17,15,10,15,7,2,4,0,0,0,0,0,0 %N A211160 Number of n-digit terms in A089392 (magnanimous primes). %C A211160 Apparently all next terms are zero. %e A211160 a(1) = 4: 2, 3, 5, 7. %e A211160 a(2) = 10: 11, 23, 29, 41, 43, 47, 61, 67, 83, 89. %e A211160 a(8) = 2: 20266681, 48804809. %e A211160 a(9) = 4: 228440489, 244064027, 606202627, 608844043. %Y A211160 Cf. A068690, A089392, A089394. %K A211160 nonn,base %O A211160 1,1 %A A211160 _Zak Seidov_, Jan 30 2013 %E A211160 a(13)-a(15) from _Donovan Johnson_, Feb 17 2013