1966429

Properties

Appears in sequences

• a(n) = Sum_{k=0..n} (k+1) * binomial(k,4*(n-k)).at n=21A392076
• a(n) = Sum_{k=0..floor(n/2)} (k+1) * binomial(k,2*(n-2*k)).at n=42A392251
• Prime numbersat n=146627