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

A275127

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

Terms

    a(0) =14a(1) =64a(2) =174a(3) =568a(4) =2178a(5) =8321a(6) =31772a(7) =121707a(8) =466252a(9) =1783920a(10) =6825273a(11) =26122839a(12) =99981686a(13) =382636173a(14) =1464403303a(15) =5604594713a(16) =21449747744a(17) =82091326930a(18) =314176968483

External references