35570638

Appears in sequences

• a(n) = 7^n - n^7.at n=9A024082
• a(n) = n^(n+2) - (n+2)^n.at n=7A046065
• Triangle read by rows: T(n, k) = abs(n^k-k^n), 1<=k<=n.at n=42A082754