A206705 Number of Hadamard matrices of order n that are equivalent to their transpose.

1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 12, 0, 0, 0, 101, 0, 0, 0, 3993, 0, 0, 0

Offset

1,16

Comments

Number of equivalence classes under row/column permutation and negation that contain the transpose.

Links

Table of n, a(n) for n=1..35.

Index entries for sequences related to Hadamard matrices

Crossrefs

Cf. A007299, A036297, A096201, A206704.

Sequence in context: A174428 A308347 A090225 * A285014 A219551 A200221

Adjacent sequences: A206702 A206703 A206704 * A206706 A206707 A206708

Keyword

nonn

Author

Brendan McKay, Feb 11 2012

Status

approved