458754domain: NAppears in sequencesa(n) = (n-1)*2^n + 2.at n=15A048495Base-3 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-3 digits, for some k.at n=35A162216Number of permutations of [n+1] avoiding 2413, 3142, 1324, 4231.at n=13A220874