421504185344domain: NAppears in sequencesa(n) = ((n+1)^n + (n-1)^n)/2.at n=11A062024Sum of terms of odd index in the binomial decomposition of n^(n-1).at n=11A345633a(n) is the median of the set of the distinct values of (n-1)^n, (n-1)^(n+1), n^(n-1), n^(n+1), (n+1)^(n-1), (n+1)^n.at n=10A391414