login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

For references and links see A089472.

LINKS

Table of n, a(n) for n=1..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 A319638

Adjacent sequences:  A108147 A108148 A108149 * A108151 A108152 A108153

KEYWORD

hard,nonn

AUTHOR

William P. Orrick, Jan 12 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 20 00:45 EDT 2018. Contains 316378 sequences. (Running on oeis4.)