Number of (n+1)X2 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero.
A204756
Number of (n+1)X2 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero.
Terms
- a(0) =1175a(1) =3677a(2) =11081a(3) =38789a(4) =131613a(5) =469999a(6) =1652217a(7) =5928687a(8) =21125147a(9) =75994701a(10) =272583363a(11) =982624719a(12) =3538616555a(13) =12780460757a(14) =46152949595a(15) =166980292941a(16) =604289827009
External references
- oeis: A204756