OFFSET
1,1
COMMENTS
For any finite group G with order n we have that if A is the character table then |det(A)|^2 = product i (n/c(i)) where the product is over the conjugacy classes of G: c(i), so by this formula the square of the determinant is an integer (in the case of dihedral groups the characters are real).
LINKS
Harry J. Smith, Table of n, a(n) for n=1..200
FORMULA
a(n) = 4 * n^((n+1)/2) if n odd, a(n)= 64 * n^((n+2)/2) if n even. - Paul Boddington, Oct 22 2003
PROG
(PARI) { for (n=1, 200, if (n%2, a=4 * n^((n+1)/2), a=64 * n^((n+2)/2)); write("b063073.txt", n, " ", a) ) } \\ Harry J. Smith, Aug 16 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Ahmed Fares (ahmedfares(AT)my-deja.com), Aug 03 2001
EXTENSIONS
Missing term included and more terms added by Harry J. Smith, Aug 16 2009
STATUS
approved