164611949

Properties

Appears in sequences

• a(1) = 1, a(n) = largest prime divisor of b(n), where b(1) = 1, b(n) = n*b(n-1) + 1 = A002627(n).at n=11A096058
• a(n) = numerator(Sum_{k=1..n} 1/k!).at n=11A120265
• Prime numbersat n=9218526