Number of nX3 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.

A183370

Number of nX3 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.

Terms

    a(0) =1a(1) =4a(2) =6a(3) =16a(4) =30a(5) =64a(6) =165a(7) =361a(8) =875a(9) =2116a(10) =5460a(11) =13924a(12) =36720a(13) =97344a(14) =266895a(15) =727609a(16) =2029885a(17) =5654884a(18) =16014834a(19) =45265984a(20) =129279458a(21) =368947264a(22) =1060159545a(23) =3044280625a(24) =8779570735a(25) =25310900836a(26) =73171312896a(27) =211476737956a(28) =612259440564

External references