Number of equivalence classes of normalized Hadamard matrices of order 4n with respect to permutations of rows and columns.
A147774
Number of equivalence classes of normalized Hadamard matrices of order 4n with respect to permutations of rows and columns.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =118a(4) =6520a(5) =43966313
External references
- oeis: A147774