74791

Appears in sequences

• A nonlinear binomial sum.at n=20A000128
• Number of 3's in n-th term of A022482.at n=43A022486
• s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A014306.at n=45A025087
• a(n) = Sum_{m=0..floor((n-1)/2)} prime((n-m)(n-m-1)/2+m+1).at n=40A249490