1627604

Appears in sequences

• Linear 2nd order recurrence: a(n) = 4*a(n-1) + 5*a(n-2).at n=10A015531
• a(n) = (5*5^n + (-1)^n)/6.at n=9A083425
• a(n) = (n^n - 1)*(n^n + 1)/(n + 1).at n=5A280797