1/4 times the number of n X n 0..7 matrices with MM' mod 8 = I, where M' is the transpose of M and I is the n X n identity matrix.

A071900

1/4 times the number of n X n 0..7 matrices with MM' mod 8 = I, where M' is the transpose of M and I is the n X n identity matrix.

Terms

    a(0) =1a(1) =16a(2) =1536a(3) =786432a(4) =2013265920

External references