Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-1100-0111 pattern in any orientation.

A146802

Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-1100-0111 pattern in any orientation.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =7a(6) =21a(7) =47a(8) =187a(9) =1039a(10) =7375a(11) =57703a(12) =534255a(13) =6065861a(14) =87670715a(15) =1568278041a(16) =34768369321a(17) =953623406901

External references