OFFSET
0,3
COMMENTS
Determinant of the (2n+1) X (2n+1) matrix m(i,j) = i^j-j^i is zero.
MATHEMATICA
Join[{1}, Table[Det[Table[i^j - j^i, {i, 1, 2*n}, {j, 1, 2*n}]], {n, 1, 8}]] (* Vaclav Kotesovec, Apr 18 2024 *)
PROG
(PARI) for(n=1, 20, print1(matdet(matrix(2*n, 2*n, i, j, i^j-j^i)), ", "))
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, May 28 2002
EXTENSIONS
a(0)=1 prepended by Alois P. Heinz, Jan 25 2023
STATUS
approved