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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A085806 Permanent of the character table of the elementary abelian group (C_2)^n. 0
0, 8, 384, 50692096, 6829323892021002240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) is also the permanent of the Sylvester Hadamard matrix.

REFERENCES

I. M. Wanless, Permanents, Chapter 43 in Handbook of Linear Algebra (2nd ed.), CRC, (2014).

LINKS

Table of n, a(n) for n=1..5.

FORMULA

Ryser's formula or Glynn's formula for computing the permanent.

CROSSREFS

Cf. A061301, A096204, A096205.

Sequence in context: A096204 A153836 A151941 * A042115 A159515 A220799

Adjacent sequences:  A085803 A085804 A085805 * A085807 A085808 A085809

KEYWORD

nonn,hard

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Jul 24 2003

EXTENSIONS

a(5) from Ferenc Szollosi and Ian Wanless, Jul 22 2014

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 03:36 EDT 2019. Contains 322294 sequences. (Running on oeis4.)