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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A056065 Order of certain group related to alternating sign matrices. 0
1, 1, 1, 1, 2, 210, 263340 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..7.

Benjamin Wieland, Large Dihedral Symmetry of the Set of Alternating Sign Matrices, Electronic J. Combinatorics, #R37, 2000.

CROSSREFS

Sequence in context: A157479 A092700 A178388 * A317978 A050445 A167833

Adjacent sequences:  A056062 A056063 A056064 * A056066 A056067 A056068

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 29 2000

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 June 17 07:31 EDT 2019. Contains 324183 sequences. (Running on oeis4.)