Number of triangular nXnXn arrays of occupancy after each element either stays or moves to some neighbor and with no occupancy greater than 4.
A217506
Number of triangular nXnXn arrays of occupancy after each element either stays or moves to some neighbor and with no occupancy greater than 4.
Terms
- a(0) =1a(1) =10a(2) =342a(3) =44530a(4) =22155653a(5) =42007776880
External references
- oeis: A217506