Number of 4Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.

A276250

Number of 4Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.

Terms

    a(0) =14a(1) =144a(2) =347a(3) =1447a(4) =6372a(5) =26325a(6) =115682a(7) =509750a(8) =2196820a(9) =9590448a(10) =41943114a(11) =182345942a(12) =794079132a(13) =3464843904a(14) =15086188944a(15) =65723682133a(16) =286477934932

External references