Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A316871
Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =23a(2) =99a(3) =425a(4) =1877a(5) =8333a(6) =36900a(7) =163433a(8) =724406a(9) =3210961a(10) =14232174a(11) =63085590a(12) =279639102a(13) =1239553378a(14) =5494572826a(15) =24355881186a(16) =107962769031a(17) =478568720832
External references
- oeis: A316871