21615771

Appears in sequences

• p-INVERT of the positive integers, where p(S) = 1 - S^5.at n=19A290893
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S^5.at n=39A291218
• a(n) = Sum_{k=0..floor(n/10)} binomial(n-5*k,5*k).at n=39A348290