Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-0110-1111 pattern in any orientation.
A147356
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-0110-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =3a(6) =9a(7) =20a(8) =53a(9) =182a(10) =863a(11) =4532a(12) =25697a(13) =176361a(14) =1505241a(15) =14929100
External references
- oeis: A147356