91171007

Appears in sequences

• a(n) = n^(n+1) - (n+1)^n.at n=8A007925
• a(n) = 8^n - n^8.at n=9A024096
• Triangle read by rows: T(n, k) = abs(n^k-k^n), 1<=k<=n.at n=43A082754
• Semiprimes of the form A007925(n) = n^(n+1)-(n+1)^n.at n=2A099498