Number of n X n symmetric binary matrices with each 1 adjacent to exactly 2 knight-move neighboring 1s.
A191295
Number of n X n symmetric binary matrices with each 1 adjacent to exactly 2 knight-move neighboring 1s.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =17a(4) =61a(5) =241a(6) =1077a(7) =10002a(8) =130992a(9) =2166639a(10) =41299118a(11) =1000354787a(12) =34454184106
External references
- oeis: A191295