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 A119512 #4 Mar 30 2012 18:40:37 %S A119512 2,2,244,-80544,2895473496576 %N A119512 Determinant of n X n matrix of first n^2 terms of A000020 number of primitive polynomials of degree n over GF(2). %C A119512 The initial 2 should probably be a 1, see: A011260. This would change all terms to: a(2) = 0 because of the singular determinant[1,1,2,2] = 0; a(3) = 52; a(4) = -34848; a(5) = -2211008492544. %e A119512 a(2) = 2 = %e A119512 |2 1| %e A119512 |2 2|. %Y A119512 Cf. A000020, A011260, A119493. %K A119512 easy,sign %O A119512 1,1 %A A119512 _Jonathan Vos Post_, May 27 2006