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 A340923 #13 Jul 21 2021 13:32:12
%S A340923 1660,2693,3894,5712,7030,9155,10369,11718,14480,16185,18774,20070,
%T A340923 22920,24720,23895,26800,31560,39117,43080,43245,42132,38406,41056,
%U A340923 48204,66144,69006,86556,98499,99021,88999,77640,87348,86745,89832,92466,95277,98454,84820
%N A340923 4*a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n).
%C A340923 The entries of the matrix are arranged in such a way that the determinant of the matrix is maximized.
%e A340923 a(1) = 1660 = A180128(3)/4 with the corresponding matrix shown in A180128.
%e A340923 a(2) = 2693: determinant (
%e A340923 [13 29 7]
%e A340923 [ 3 11 23]
%e A340923 [19 5 17]) = 10772 = 4*2693.
%t A340923 Table[Max[Det[Partition[#,3]]&/@Permutations[Prime[Range[n,n+8]]]],{n,40}]/4 (* _Harvey P. Dale_, Jul 21 2021 *)
%Y A340923 Cf. A117330, A180128, A340924, A340925.
%K A340923 nonn
%O A340923 1,1
%A A340923 _Hugo Pfoertner_, Jan 26 2021