60515

Appears in sequences

• Expansion of 1/((1-4*x)*(1-9*x)*(1-10*x)).at n=4A019682
• Multiples of 1729, the Hardy-Ramanujan number.at n=35A138129
• a(n) = n*(12*n^3 + 10*n^2 - 9*n - 7)/6.at n=13A172080
• a(n) = the smallest natural numbers m such that product of harmonic mean of the divisors of n and harmonic mean of the divisors of m are integers.at n=35A176802
• Numbers k such that tau(k+1) - tau(k) = 3, where tau(k) = the number of divisors of k (A000005).at n=16A230653
• Occurrences of decrease of the probability density P(n) of coprime numbers k,m, satisfying 1 <= k <= a(n) and 1 <= m <= a(n), and a(n) congruent to 1 (mod 2) and a(n) not congruent to 3 (mod 6).at n=24A280879
• Numbers that are the sum of four third powers in nine or more ways.at n=25A345146
• Numbers that are the sum of four third powers in exactly nine ways.at n=12A345154