Number of (n+1)X(n+1) 0..1 arrays with the array of 2X2 subblock determinants symmetric.
A187453
Number of (n+1)X(n+1) 0..1 arrays with the array of 2X2 subblock determinants symmetric.
Terms
- a(0) =16a(1) =264a(2) =10776a(3) =1011136a(4) =229028648a(5) =121525356464
External references
- oeis: A187453