524217

Appears in sequences

• Start with a single square; at n-th generation add a square at each expandable vertex; a(n) is the sum of all label values at n-th generation. (See comment for construction rules.)at n=16A247618
• a(n) = 2^(n - 1) - prime(n).at n=19A277801
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 533", based on the 5-celled von Neumann neighborhood.at n=18A288979
• a(n) = n! * Sum_{k=0..floor(n/2)} k^k / (k! * (n-2*k)!).at n=8A362347