Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1111-0010 pattern in any orientation.
A146398
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1111-0010 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =21a(8) =669a(9) =1435a(10) =18879a(11) =48783a(12) =1539733a(13) =4958749a(14) =549583643a(15) =2274430177a(16) =407021932053
External references
- oeis: A146398