1567017

Appears in sequences

• Number of nXnXn triangular 0..7 arrays with no element equal to the sum or difference mod 8 of any two of its neighbors.at n=3A193837
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 446", based on the 5-celled von Neumann neighborhood.at n=10A272249