334074

Appears in sequences

• a(n) = Sum_{k=0..floor(n/7)} C(n-5*k,2*k).at n=40A098574
• a(n) = Sum_{d|n} d^Omega(d).at n=23A344459
• a(n) = Sum_{k=0..floor(2*n/7)} binomial(2*n-5*k,2*k).at n=20A392398