201375

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= sqrt(n).at n=31A048093
• a(n) = binomial(n+6,5) - 1.at n=26A062988
• Expansion of j(q) * q * Product_{n>=1} ((1 - q^(5*n))/(1 - q^n))^6 where j(q) is the elliptic modular invariant (A000521).at n=2A290272