Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
A317113
Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =30a(2) =142a(3) =698a(4) =3398a(5) =16686a(6) =81809a(7) =401415a(8) =1969107a(9) =9660093a(10) =47389711a(11) =232481946a(12) =1140496397a(13) =5594981980a(14) =27447541559a(15) =134650576212a(16) =660561074466
External references
- oeis: A317113