Numerator of mass (Sum 1/|Aut(H)|) of Hadamard matrices of order 4n.

A048615

Numerator of mass (Sum 1/|Aut(H)|) of Hadamard matrices of order 4n.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =27a(4) =127a(5) =34603a(6) =278617

External references