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 A118876 #11 Jul 13 2015 13:37:09 %S A118876 768280320,-1010949120,-4719098880,-1791590400,24298444800, %T A118876 -19462947840,-109685145600,-3192514560,144441833472,-198529367040, %U A118876 15778022400,159125783040,861983659008,1193361776640,1359501373440,5328357672960 %N A118876 Determinant of n-th continuous block of 16 consecutive squares of primes. %C A118876 Quadratic analog of A118799 Determinants of 4 X 4 matrices of continuous blocks of 16 consecutive primes. See also: A001248 Squares of primes. The terminology "continuous" is used to distinguish from "discrete" which would be block 1: 4, 9, 25, 49, 121, 169, 289, 361, 529, 841, 961, 1369, 1681, 1849, 2209, 2809; block 2: 3481, 3721, 4489, 5041, 5329, 6241, 6889, 7921, 9409, 10201, 10609, 11449, 11881, 12769, 16129, 17161; and so forth. %e A118876 a(1) = 768280320 = %e A118876 |...4.....9...25....49.| %e A118876 |.121...169..289...361.| %e A118876 |.529...841..961..1369.| %e A118876 |1681..1849.2209..2809.|. %Y A118876 Cf. A000040, A001248, A117301, A117330, A118799. %K A118876 easy,sign %O A118876 1,1 %A A118876 _Jonathan Vos Post_, May 24 2006