4999991

Appears in sequences

• Numbers k such that R(k+9) = 5.at n=5A086949
• a(n) is the smallest positive integer such that 10^(2 + floor(k/a(1)) + floor(k/a(2)) + ... + floor(k/a(n))) divides (k+9)! for all k > 0.at n=20A218976