Number of nX3 0..1 arrays with every element equal to 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

A298128

Number of nX3 0..1 arrays with every element equal to 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

Terms

a(0) =

a(1) =

a(2) =

a(3) =

a(4) =

a(5) =

a(6) =

a(7) =

a(8) =

a(9) =

a(10) =

a(11) =

a(12) =

a(13) =

a(14) =

a(15) =

a(16) =

a(17) =

a(18) =

a(19) =

a(20) =

a(21) =

External references

oeis: A298128