855733

Properties

Appears in sequences

• Number of length 5 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11.at n=18A254952
• a(n) = Sum_{k=1..n} mu(k) * 2^(n - k).at n=23A344432
• Prime numbersat n=68030