40687domain: NAppears in sequencesa(n) = n*p(n)-spt(n) (= n*A000041(n) - A092269(n)).at n=24A220907Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 429", based on the 5-celled von Neumann neighborhood.at n=37A272113