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 A088238 #15 Aug 11 2024 23:25:33 %S A088238 6773999,6774223,6774529,6775471,6775491,6775877,6776023,6776291, %T A088238 6776373,6776557,6776779,6776803,6777487,6777655,6777718,6777731, %U A088238 6778001,6778103,6778111,6778781,6778909,6779065,6779123,6779261 %N A088238 Numbers less than the maximum possible determinant A085000(5)=6839492 not occurring as determinant of a 5X5 matrix with elements 1..25. %C A088238 The first term of this sequence is A088216(5). %C A088238 The sequence contains exactly 38298 terms. %H A088238 Hugo Pfoertner, <a href="/A088238/b088238.txt">Table of n, a(n) for n = 1..38298</a> [Gives all terms] %H A088238 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a088238.txt">Find all possible values of det(A) for matrix with elements 1..n^2.</a> FORTRAN program. %o A088238 (Fortran) c See link. %Y A088238 Cf. A085000, A088214, A088237, A088216, A088217. %K A088238 fini,full,nonn %O A088238 1,1 %A A088238 _Hugo Pfoertner_, Oct 03 2003 %E A088238 Full sequence from _Hugo Pfoertner_, Aug 31 2014