1,5

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

Sequence in context: A012600 A157479 A092700 this_sequence A050445 A106100 A107612

Adjacent sequences: A056062 A056063 A056064 this_sequence A056066 A056067 A056068

nonn

N. J. A. Sloane (njas(AT)research.att.com), Jul 29 2000