240319domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 2*n^4 - floor(2^(1/4)*n)^4.at n=40A257854Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 918", based on the 5-celled von Neumann neighborhood.at n=17A284409Prime numbersat n=21249