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 A088237 #7 Aug 31 2014 21:45:46 %S A088237 38831,38875,38959,38963,39013,39057,39059,39061,39063,39071,39099, %T A088237 39109,39111,39125,39137,39154,39155,39178,39190,39191,39205,39223, %U A088237 39245,39247,39251,39254,39267,39274,39277,39279,39281,39297,39310 %N A088237 Numbers less than the maximum possible determinant A085000(4)=40800 not occurring as determinant of a 4 X 4 matrix with elements 1..16. %H A088237 Hugo Pfoertner, <a href="/A088237/b088237.txt">Table of n, a(n) for n = 1..1073</a> [gives all terms] %Y A088237 Cf. A085000, A088214, A088216. %K A088237 fini,full,nonn %O A088237 1,1 %A A088237 _Hugo Pfoertner_, Sep 25 2003 %E A088237 Full sequence from _Hugo Pfoertner_, Aug 31 2014