Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
A305044
Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =26a(2) =15a(3) =20a(4) =55a(5) =201a(6) =337a(7) =1359a(8) =5918a(9) =13840a(10) =50917a(11) =214418a(12) =640869a(13) =2276124a(14) =8928543a(15) =29953696a(16) =106456744a(17) =399005390a(18) =1401253518a(19) =5009804395a(20) =18368049681a(21) =65601194194a(22) =235509869390a(23) =855175501812
External references
- oeis: A305044