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 A115608 #2 Mar 30 2012 17:22:41 %S A115608 1,46,1500,59504,2856331,157300309,9565120490 %N A115608 Number of triples of primes in arithmetic progression less than 10^n. %D A115608 See A113827 %e A115608 The only 3-tuple less than 10 is {3,5,7}. %Y A115608 Cf. A113827 (prime beginning minimal n-tuple of primes in AP), A115609-A115613. %K A115608 nonn %O A115608 1,2 %A A115608 _T. D. Noe_, Jan 25 2006