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 A129783 #7 Oct 01 2013 21:35:22
%S A129783 1,3,4,9,10,14,16,19,21,23,25,26,29,30,34,35,36,38,43,44,46,47,49,53,
%T A129783 58,62,64,65,66,67,68,75,77,78,81,82,83,85,86,92,94,95,100,103,106,
%U A129783 109,110,113,115,117,118,119,121,122,125,129,134,138,139,140,143,144,146,148
%N A129783 Conjectured numbers n with the property that there exist two consecutive primes p and q such that pq + n is a square.
%C A129783 Complement of A129816. [From _Omar E. Pol_, Dec 26 2008]
%H A129783 David W. Wilson, <a href="/A129783/b129783.txt">Table of n, a(n) for n = 1..10000</a>
%o A129783 (PARI) primesq(n,m) = \square of the form prime(x)*prime(x+1) + k {local(c,k,x,p1,p2,j); c=0; for(k=1,m, for(x=1,n, p1=prime(x); p2=(prime(x+1)); y=p1*p2+k; if(issquare(y), c++; print1(k","); break; ) ) ); c; }
%Y A129783 Cf. A029707, A074927.
%Y A129783 Cf. A129816. [From _Omar E. Pol_, Dec 26 2008]
%K A129783 easy,nonn,obsc
%O A129783 1,2
%A A129783 _Cino Hilliard_, May 18 2007
%E A129783 I don't know how many of the missing terms have been proved to be missing. Has it been proved that 2 is missing? - _N. J. A. Sloane_, May 20 2007