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

0,2

References

For references and links see A089472.

Links

Table of n, a(n) for n=0..10.

Formula

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

Crossrefs

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

Sequence in context: A103599 A032245 A013588 * A066015 A065482 A323481

Adjacent sequences: A108147 A108148 A108149 * A108151 A108152 A108153

Keyword

hard,nonn

Author

William P. Orrick, Jan 12 2006

Extensions

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

Status

approved