A136725 Primitive dimensions of Hadamard matrices.

1, 2, 12, 20, 28, 36, 44, 52, 60, 68, 76, 84, 92, 100

Offset

1,2

Comments

In primitive dimensions, Hadamard matrices cannot be obtained as tensor products of Hadamard matrices of lower dimensions.

Links

Table of n, a(n) for n=1..14.

Eric Weisstein's World of Mathematics, Hadamard Matrix

Crossrefs

Cf. A007299, A136724.

Sequence in context: A339709 A137311 A032407 * A023534 A286683 A326238

Adjacent sequences: A136722 A136723 A136724 * A136726 A136727 A136728

Keyword

nonn,more

Author

Artur Jasinski, Jan 19 2008

Status

approved