Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 10001-11111 pattern in any orientation.
A147089
Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 10001-11111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =7a(8) =17a(9) =27a(10) =59a(11) =159a(12) =377a(13) =1061a(14) =3282a(15) =11263
External references
- oeis: A147089