Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the picked positions don't have any symmetry.
A292152
Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the picked positions don't have any symmetry.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =40a(6) =0a(7) =0a(8) =368a(9) =1432a(10) =0a(11) =0a(12) =1704a(13) =10992a(14) =50992a(15) =0a(16) =0a(17) =5704a(18) =53784a(19) =369776a(20) =1925464a(21) =0a(22) =0a(23) =15400a(24) =198696a(25) =1885128a(26) =13903624a(27) =85773968a(28) =0a(29) =0
External references
- oeis: A292152