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 A130791 #6 Mar 30 2012 17:29:55 %S A130791 2,2,3,3,5,7,5,11,17,23,5,11,17,23,29,7,37,67,97,127,157,7,157,307, %T A130791 457,607,757,907,11,1210241,2420471,3630701,4840931,6051161,7261391, %U A130791 8471621,11,32671181,65342351,98013521,130684691,163355861,196027031,228698201,261369371 %N A130791 Triangle read by rows: n-th row is the lexicographically earliest arithmetic progression of n primes beginning with A007918(n). %C A130791 If we omit the first row, is this the same triangle as A113460? Equivalently, do A061558 and A113461 agree apart from the initial term? Answer: almost certainly not! %H A130791 Ray Chandler, <a href="/A130791/b130791.txt">Table of n, a(n) for n=1..153</a> %H A130791 Andrew Granville, <a href="http://www.dms.umontreal.ca/~andrew/PDF/PrimePattMonthly.pdf">Prime Number Patterns</a> %H A130791 <a href="/index/Pri#primes_AP">Index entries for sequences related to primes in arithmetic progressions</a> %e A130791 Triangle begins: %e A130791 2 %e A130791 2 3 %e A130791 3 5 7 %e A130791 5 11 17 23 %e A130791 5 11 17 23 29 %e A130791 7 37 67 97 127 157 %e A130791 7 157 307 457 607 757 907 %e A130791 11 1210241 2420471 3630701 4840931 6051161 7261391 8471621 %e A130791 11 32671181 65342351 98013521 130684691 163355861 196027031 228698201 261369371 %Y A130791 For common differences see A061558. %K A130791 nonn,tabl %O A130791 1,1 %A A130791 _N. J. A. Sloane_, Sep 22 2007, Oct 17 2007 %E A130791 Extended by _Ray Chandler_, Sep 22 2007