Number of nX4 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.

A276295

Number of nX4 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.

Terms

    a(0) =4a(1) =36a(2) =173a(3) =1017a(4) =5965a(5) =34865a(6) =203933a(7) =1192701a(8) =6974781a(9) =40786925a(10) =238509373a(11) =1394719389a(12) =8155807421a(13) =47692103389a(14) =278885349565

External references