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 A152962 #2 Mar 30 2012 17:27:56 %S A152962 29,5,13,61,417037,2153,4580041 %N A152962 Beginning of the first maximal chain of primes with n links (n+1 members). %C A152962 For definitions see A152658. %C A152962 The prime indices of the terms are 10, 3, 6, 18, 35153, 325, 321150. %C A152962 Is this sequence finite, i.e. is the length (count of members) of chains of primes bounded? %H A152962 Carlos Rivera, The prime puzzles & problems connection, <a href="http://www.primepuzzles.net/puzzles/puzz_463.htm">Puzzle 463</a> %e A152962 First maximal chain of primes with one link (two members) is 29, 31; the linking prime is 631. %Y A152962 Cf. A152658 (beginnings of maximal chains of primes), A152735 (count of links in n-th maximal chain of primes), A119487 (primes of the form i*(i-th prime) + (i+1)*((i+1)-th prime), linking primes), A152865, A152866, A152867, A152868, A152869, A152963, A152964. %K A152962 hard,more,nonn %O A152962 1,1 %A A152962 _Klaus Brockhaus_, Dec 16 2008