T(n,k) is the number of triangular n X n X n arrays of occupancy after each element either stays or moves to some neighbor and with no occupancy greater than k.
A217510
T(n,k) is the number of triangular n X n X n arrays of occupancy after each element either stays or moves to some neighbor and with no occupancy greater than k.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =1a(7) =10a(8) =138a(9) =1a(10) =1a(11) =10a(12) =306a(13) =8353a(14) =1a(15) =1a(16) =10a(17) =342a(18) =34489a(19) =1563486a(20) =1a(21) =1a(22) =10a(23) =351a(24) =44530a(25) =14162520a(26) =896267399a(27) =1a(28) =1a(29) =10
External references
- oeis: A217510