599998

Appears in sequences

• Sum of even composites up to n is palindromic.at n=16A058851
• a(n) = Sum_{k=0..floor(n/3)} binomial(2*n-5*k,k).at n=28A373639
• a(n) = Sum_{k=0..floor(n/2)} binomial(3*n-5*k-1,k).at n=19A373653
• Number of compositions of 6*n-4 into parts 1 and 6.at n=9A373959