211915132

Appears in sequences

• a(n) = binomial coefficient C(n,9).at n=30A000582
• Binomial coefficient C(3n,n-4).at n=9A004322
• Binomial coefficient C(39,n).at n=9A010955
• Binomial coefficient C(n,30).at n=9A010983
• Binomial coefficients C(2*n+9,9).at n=15A053138
• a(n) = binomial(4*n,n)/4.at n=9A224274
• a(n) = 10 * binomial(3*n+10,n)/(3*n+10).at n=10A233657
• a(n) is the number of positive integers that have n prime factors and these are all <= n.at n=29A377537