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A085806
Permanent of the character table of the elementary abelian group (C_2)^n.
0
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).
FORMULA
Ryser's formula or Glynn's formula for computing the permanent.
CROSSREFS
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