Number of nX4 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X5 binary array.
A226848
Number of nX4 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X5 binary array.
Terms
- a(0) =57a(1) =2291a(2) =49481a(3) =989731a(4) =20749217a(5) =443724135a(6) =9461306257a(7) =201065855279
External references
- oeis: A226848