Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 5 king-move adjacent elements, with upper left element zero.
A303959
Number of nX6 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) =32a(1) =45a(2) =119a(3) =452a(4) =1431a(5) =4645a(6) =14067a(7) =44800a(8) =144844a(9) =468709a(10) =1496959a(11) =4796728a(12) =15414618a(13) =49584010a(14) =159199225a(15) =511105361a(16) =1641588159a(17) =5273933184a(18) =16939978307a(19) =54407120334a(20) =174750169449a(21) =561310287495
External references
- oeis: A303959