A136725 - OEIS

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A136725

Primitive dimensions of Hadamard matrices.

%I #6 Sep 18 2014 04:52:40

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

%N Primitive dimensions of Hadamard matrices.

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

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HadamardMatrix.html">Hadamard Matrix</a>

%Y Cf. A007299, A136724.

%K nonn,more

%O 1,2

%A _Artur Jasinski_, Jan 19 2008