A199008 Number of cocyclic matrices D_{2n+2} of order 2n+2 with maximal determinant.

6, 25, 196, 972, 9680

Offset

2,1

Links

Table of n, a(n) for n=2..6.

V. Alvarez, J. A. Armario, M. D. Frau and F. Gudiel, The maximal determinant of cocyclic (-1, 1)-matrices over D_{2t}, Linear Algebra and its Applications, 2011.

Crossrefs

Cf. A199005, A199007.

Sequence in context: A323132 A357032 A183249 * A356909 A090566 A041064

Adjacent sequences: A199005 A199006 A199007 * A199009 A199010 A199011

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 01 2011

Status

approved