Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0100-1101-0111 pattern in any orientation.

A147054

Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0100-1101-0111 pattern in any orientation.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =7a(6) =21a(7) =47a(8) =193a(9) =927a(10) =6473a(11) =56977a(12) =532817a(13) =5726035a(14) =80429995a(15) =1421425107a(16) =32032166721a(17) =887240799013

External references