1,4

For odd n a(n) = (n-1)/2

a(3) = 1 because the group is isomorphic to S_3 and the table is : 1, 1, 1 1,-1, 1 2, 0,-1

A060762.

Adjacent sequences: A061718 A061719 A061720 this_sequence A061722 A061723 A061724

Sequence in context: A024596 A065375 A070961 this_sequence A066257 A085591 A062964

nonn

Ahmed Fares (ahmedfares(AT)my-deja.com), Jun 20 2001