Number of n X 5 0..1 arrays with every element unequal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
A304673
Number of n X 5 0..1 arrays with every element unequal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =26a(2) =45a(3) =199a(4) =897a(5) =3525a(6) =15544a(7) =68896a(8) =310438a(9) =1387613a(10) =6186243a(11) =27785689a(12) =124415835a(13) =557130770a(14) =2496620845a(15) =11189240404a(16) =50135564778a(17) =224656450818
External references
- oeis: A304673