Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a tee 1,1 1,2 1,3 2,2 in any orientation.
A145926
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a tee 1,1 1,2 1,3 2,2 in any orientation.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =1a(4) =30a(5) =11a(6) =1066a(7) =349a(8) =107926a(9) =18649a(10) =30463506a(11) =4281564a(12) =28469202195a(13) =3104114083
External references
- oeis: A145926