Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a one by five or five by one block.
A145965
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a one by five or five by one block.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =17a(5) =5a(6) =96a(7) =29a(8) =1419a(9) =169a(10) =48156a(11) =8811a(12) =3676473a(13) =492443a(14) =567795363a(15) =62520266a(16) =184305203904a(17) =12468804407
External references
- oeis: A145965