280792domain: NAppears in sequencesFibonacci sequence beginning 3, 14.at n=22A022125Variation on Ulam numbers: a(1) = 1; a(2) = 2; for n>2, a(n) is smallest (n odd) or largest (n even) new number that is the sum of two distinct earlier terms.at n=47A081025Number of irredundant sets in the n-crown graph.at n=14A290710