Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.
A304471
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =719a(2) =2208a(3) =8254a(4) =68338a(5) =380640a(6) =1802240a(7) =12149499a(8) =76809028a(9) =414339658a(10) =2506312732a(11) =15834976447a(12) =91945106122a(13) =542541369889
External references
- oeis: A304471