Number of nX7 0..1 arrays with every element unequal to 0, 1, 2 or 5 king-move adjacent elements, with upper left element zero.
A303960
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =101a(2) =287a(3) =1228a(4) =4137a(5) =14067a(6) =44492a(7) =156214a(8) =557417a(9) =1956218a(10) =6716752a(11) =23210871a(12) =80897656a(13) =281932195a(14) =978681468a(15) =3396019112a(16) =11800948010a(17) =41025631794a(18) =142545985576a(19) =495166288609
External references
- oeis: A303960