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 A340925 #8 Jan 28 2021 04:09:54 %S A340925 445934520,527275650,606375810,668638620,732258072,860414368, %T A340925 995563032,1132837302,1249798972,1453587865,1598993079,1789976248, %U A340925 2008319824,2181193410,2363922414,2592209412,2782039915,3035727819,3255326094,3421333460,3453338250,3663999760,4056944944 %N A340925 16*a(n) is the maximum possible determinant of a 5 X 5 matrix whose entries are 25 consecutive primes starting with prime(n). %C A340925 The entries of the matrix are arranged in such a way that the determinant of the matrix is maximized. %C A340925 The special case of the first matrix with determinant A180128(5) = 5725998504 is excluded, since the prime number 2 prevents the otherwise existing divisibility of the determinant by 16. %e A340925 a(2) = 445934520: determinant( %e A340925 [73 53 3 79 23] %e A340925 [37 101 43 5 47] %e A340925 [19 41 89 71 13] %e A340925 [11 31 29 61 97] %e A340925 [83 7 67 17 59]) = 7134952320 = 16*445934520. %Y A340925 Cf. A118815, A180128, A340923, A340924. %K A340925 nonn %O A340925 2,1 %A A340925 _Hugo Pfoertner_, Jan 26 2021