237888

Appears in sequences

• a(n) = n*(n + 1)*(5*n^2 + 5*n - 4)/12.at n=27A264853
• p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S^5.at n=29A291380
• a(n) = Sum_{k=0..floor(n/10)} binomial(n-5*k,5*k).at n=30A348290