Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1111-1000 pattern in any orientation.
A146414
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1111-1000 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =29a(7) =11a(8) =724a(9) =325a(10) =31142a(11) =7645a(12) =1978797a(13) =300177a(14) =263468079a(15) =35068989a(16) =83745434537a(17) =8987242465
External references
- oeis: A146414