Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.
A207598
Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =40a(1) =1600a(2) =9240a(3) =30400a(4) =75400a(5) =157440a(6) =292600a(7) =499840a(8) =801000a(9) =1220800a(10) =1786840a(11) =2529600a(12) =3482440a(13) =4681600a(14) =6166200a(15) =7978240a(16) =10162600a(17) =12767040a(18) =15842200a(19) =19441600a(20) =23621640a(21) =28441600a(22) =33963640a(23) =40252800a(24) =47377000a(25) =55407040a(26) =64416600
External references
- oeis: A207598