Number of (n+1)X2 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero.
A205039
Number of (n+1)X2 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero.
Terms
- a(0) =2232a(1) =7648a(2) =25108a(3) =97256a(4) =364646a(5) =1451748a(6) =5692570a(7) =22899170a(8) =91639862a(9) =371544770a(10) =1505695432a(11) =6150562826a(12) =25165213894a(13) =103545082720a(14) =427115124640
External references
- oeis: A205039