3681405

Appears in sequences

• a(n) = 5*binomial(n, 6).at n=31A000910
• G.f. A(x) satisfies A(x) = 1 + x^4*A(x)^4*(1 + x*A(x)).at n=31A365730
• a(n) = Sum_{k=0..floor(n/4)} binomial(n+k-1,k) * binomial(k,n-4*k).at n=25A389291