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 A152963 #2 Mar 30 2012 17:27:56 %S A152963 2153,10316897,114286307,220073429,406733477 %N A152963 Beginnings of maximal chains of primes with seven members (six links). %C A152963 For definitions see A152658, of which this is a subsequence. %e A152963 First maximal chain of primes with seven members is 2153, 2161, 2179, 2203, 2207, 2213, 2221; the six linking primes are 1404211, 1417019, 1435117, 1448687, 1456393, 1465441. %Y A152963 Cf. A152658 (beginnings of maximal chains of primes), A152962 (beginning of the first maximal chain of primes with n links), 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, A152964. %K A152963 hard,more,nonn %O A152963 1,1 %A A152963 _Klaus Brockhaus_, Dec 16 2008