Number of nX4 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
A281340
Number of nX4 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =8a(1) =85a(2) =193a(3) =607a(4) =1892a(5) =5868a(6) =18189a(7) =56154a(8) =173062a(9) =534110a(10) =1650156a(11) =5098879a(12) =15751692a(13) =48653245a(14) =150278118a(15) =464200703a(16) =1433942077a(17) =4429534747a(18) =13682972108a(19) =42266936805a(20) =130563482897a(21) =403314526070
External references
- oeis: A281340