69989domain: NAppears in sequencesHarmonic mean of digits is 8.at n=10A062185Smallest number with additive excess n.at n=4A244744Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 553", based on the 5-celled von Neumann neighborhood.at n=41A272848