1655187

Appears in sequences

• a(n) = Sum_{k=0..n} C(n-k,3k).at n=26A003522
• Number of compositions of n such that two adjacent parts are not equal modulo 2.at n=37A062200
• a(n) = Sum_{k=0..floor(n/2)} binomial(2*n-k,3*k).at n=13A392400