Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317599
Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =23a(2) =100a(3) =435a(4) =1959a(5) =8872a(6) =40080a(7) =181116a(8) =818827a(9) =3702099a(10) =16737863a(11) =75676531a(12) =342158969a(13) =1547018148a(14) =6994611112a(15) =31625128427a(16) =142988537981a(17) =646502561252
External references
- oeis: A317599