Number of (n+1) X 8 0..1 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.
A204712
Number of (n+1) X 8 0..1 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.
Terms
- a(0) =385a(1) =3473a(2) =28161a(3) =239425a(4) =1992321a(5) =16748161a(6) =140090241a(7) =1174759297a(8) =9838208513a(9) =82449830017a(10) =690711971457
External references
- oeis: A204712