61544

Appears in sequences

• sigma_3(n): sum of cubes of divisors of n.at n=38A001158
• Expansion of 8-dimensional cusp form.at n=39A002408
• Fourier coefficients of E_{infinity,4}.at n=39A007331
• a(n) = Sum_{ d >= 1, d divides n} (-1)^(n-d)*d^3.at n=38A008457
• Numerator of sum of -3rd powers of divisors of n.at n=38A017669
• Sum of cubes of unitary divisors of n.at n=38A034677
• a(n) = sigma_3(2*n+1).at n=19A045823
• Sum of cubes of odd divisors of n.at n=38A051000
• Dirichlet inverse of sigma_3 function (A001158).at n=38A053825
• a(n) = n^3*Product_{distinct primes p dividing n} (1+1/p^3).at n=38A065959
• a(n) = Sum_{d divides n} (-1)^(n/d+1)*d^3.at n=38A078307
• a(0)=1, a(n) = sigma_3(3n).at n=13A092341
• a(n) = Sum_{d|n} (-1)^(d-1)*d^3.at n=38A138503
• Expansion of (theta_2(q)^8 + 4 * theta_2(q^2)^8) / 256 in powers of q^2.at n=38A204386
• Expansion of (E_4(q) - E_4(q^5)) / 240 in powers of q where E_4 is an Eisenstein series.at n=38A226333
• a(n) = 54*n^2 - 26*n + 4 (n>=1).at n=33A304381
• Dirichlet g.f.: zeta(2*s) / (zeta(s) * zeta(s-3)).at n=38A328640
• Sum of the cubes of the squarefree divisors of n.at n=38A351266
• The sum of unitary divisors of the smallest cubefull number that is a multiple of n.at n=38A369721
• The sum of unitary divisors of the smallest cubefull exponentially odd number that is divisible by n.at n=38A369759