Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300085
Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =8a(2) =4a(3) =25a(4) =50a(5) =98a(6) =359a(7) =766a(8) =1932a(9) =5677a(10) =12860a(11) =34902a(12) =92923a(13) =224468a(14) =609898a(15) =1569799a(16) =3969016a(17) =10617506a(18) =27213371a(19) =70541934a(20) =186417464a(21) =481204483a(22) =1261639106a(23) =3316784004a(24) =8641317351a(25) =22770348996a(26) =59873020940a(27) =157234586213
External references
- oeis: A300085