277696

Appears in sequences

• a(n) = Sum_{k=0..floor(n/6)} binomial(n-3k,3k).at n=29A100134
• p-INVERT of the positive integers, where p(S) = 1 - S^3.at n=14A290891
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S^3.at n=29A291217
• Expansion of (1 + x)^2/(1 - x^3*(1 + x)^3).at n=27A375321