55845

Appears in sequences

• The number of P-positions in the game of Nim with up to 5 piles, allowing for piles of zero, such that the number of objects in the largest pile is n.at n=24A241731
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood.at n=7A272226