43344

Appears in sequences

• sigma_3(n): sum of cubes of divisors of n.at n=34A001158
• Expansion of 8-dimensional cusp form.at n=35A002408
• Fourier coefficients of E_{infinity,4}.at n=35A007331
• a(n) = Sum_{ d >= 1, d divides n} (-1)^(n-d)*d^3.at n=34A008457
• Sum of cubes of unitary divisors of n.at n=34A034677
• a(n) = sigma_3(2*n+1).at n=17A045823
• Sum of cubes of odd divisors of n.at n=34A051000
• Dirichlet inverse of sigma_3 function (A001158).at n=34A053825
• a(n) = floor(7^7/n).at n=18A057069
• a(n) = n^3*Product_{distinct primes p dividing n} (1+1/p^3).at n=34A065959
• a(n) = Sum_{d divides n} (-1)^(n/d+1)*d^3.at n=34A078307
• a(n) = sigma_3(3n+2).at n=11A092343
• Number of pairs of adjacent vertices of outdegree 2 in all hex trees with n edges.at n=9A126190
• E.g.f. satisfies: A(x) = x*(sinh(sinh(A(x)))+1).at n=7A133596
• Elements of A011185 that are also the sum of a pair of distinct elements of A011185.at n=21A133605
• a(0) = 0; for n>0, a(n) = period length of the decimal expansion of the number Sum_{i>=1} 2^(-n*i). Also period length of the fractions 1/b(n), where b(n) = 2*b(n-1) + 1, with b(1)=1.at n=41A136273
• a(n) = Sum_{d|n} (-1)^(d-1)*d^3.at n=34A138503
• Triangle T(n, k) = n!*StirlingS2(n, k)/binomial(n, k), read by rows.at n=31A156815
• Coefficients of expansion polynomials related to fish weight allometric equation: p(x,t)=-Exp[t*x]*(1 - Exp[t/3])^3.at n=16A171506
• E.g.f. (1+x)^(1+x^2+x^4).at n=8A191462