A108150 Number of different nonnegative values taken by the determinant of a real (0,1)-matrix of order n.

1, 2, 2, 3, 4, 6, 10, 22, 46, 114, 294

Offset: 0

Author

William P. Orrick, Jan 12 2006

Keywords

• hard
• nonn

References

• For references and links see A089472.

Crossrefs

A089472 is the main entry for this sequence. Cf. A003432, A013588, A051236.

Formula

a(1)=2, a(n) = (A089472(n) + 1) / 2 for n>1

Extensions

a(0)=1 prepended by Alois P. Heinz, Mar 17 2019