59993817

Appears in sequences

• a(n) = Sum_{k=0..n} C(n-k,3k).at n=32A003522
• Quadrisection of a generalized Padovan sequence.at n=24A099099
• a(n) = Sum_{k=0..floor(n/2)} binomial(2*n-k,3*k).at n=16A392400