90273

Appears in sequences

• Number of 1's in n-th term of A007651.at n=43A022466
• Expansion of Product_{k>=1} ((1+x^(3*k-1))*(1+x^(3*k-2)))^k.at n=46A262884
• a(n) = (1/6)*A290911(n).at n=9A290912