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 A083785 #12 Dec 13 2015 03:56:49 %S A083785 1,2,3,33,34,35,19940,19941,19942,19943,204323,204324,204325,204326, %T A083785 204327,380480345,380480346,380480347,380480348,380480349,380480350, %U A083785 440738966073,440738966074,440738966075,440738966076,440738966077,440738966078,440738966079 %N A083785 Triangle read by rows in which the n-th row gives the smallest set of n consecutive numbers with the same prime signatures. %H A083785 <a href="/index/Pri#primes_AP">Index entries for sequences related to primes in arithmetic progressions</a> %e A083785 1 %e A083785 2 3 %e A083785 33 34 35 %e A083785 19940 19941 19942 19943 %e A083785 204323 204324 204325 204326 204327 %e A083785 ... %Y A083785 The first column is given by A034173, the final terms by A034174. %Y A083785 Cf. A034173, A034174, A083787. %K A083785 nonn,tabl,nice %O A083785 1,2 %A A083785 _Amarnath Murthy_, May 07 2003 %E A083785 7th row added using A034173 by _Michel Marcus_, Dec 13 2015