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 A101772 #6 Apr 10 2013 13:22:58 %S A101772 3,3,5,3,5,7,2,3,7,23,2,3,5,7,31,2,3,5,11,13,29,2,3,5,11,13,17,29,2,3, %T A101772 5,7,11,13,17,41,2,3,5,7,11,13,17,19,43,2,3,5,7,11,13,17,19,23,43,2,3, %U A101772 5,7,11,13,17,19,23,31,37,2,3,5,7,11,13,17,19,23,29,37,89,2,3,5,7,11 %N A101772 Triangle read by rows where n-th row is the lexicographically least set of n distinct primes summing to A100498(n)-1. %e A101772 Triangle begins: %e A101772 {3} %e A101772 {3,5} %e A101772 {3,5,7} %e A101772 {2,3,7,23} %e A101772 {2,3,5,7,31} %e A101772 {2,3,5,11,13,29} %e A101772 {2,3,5,11,13,17,29} %e A101772 {2,3,5,7,11,13,17,41} %e A101772 {2,3,5,7,11,13,17,19,43} %e A101772 {2,3,5,7,11,13,17,19,23,43} %e A101772 {2,3,5,7,11,13,17,19,23,31,37} %e A101772 {2,3,5,7,11,13,17,19,23,29,37,89} %e A101772 {2,3,5,7,11,13,17,19,23,29,31,61,67} %e A101772 {2,3,5,7,11,13,17,19,23,29,31,37,43,83} %e A101772 {2,3,5,7,11,13,17,19,23,29,31,37,41,43,79} %Y A101772 Cf. A100498, A101771-A101775. %K A101772 nonn,tabl %O A101772 1,1 %A A101772 _Ray Chandler_, Jan 10 2005