247423522

Appears in sequences

• a(n) = Sum_{k=0..n} binomial(5*k,n-k).at n=16A360090
• a(n) = Sum_{k=0..floor(n/2)} binomial(3*n-5*k-1,k).at n=27A373653
• Number of compositions of 6*n-4 into parts 1 and 6.at n=13A373959