52060

Appears in sequences

• "CGJ" (necklace, element, labeled) transform of 1,2,3,4...at n=8A032149
• Number of sublattices of index n in generic 4-dimensional lattice.at n=36A038991
• a(n) = n^3 + n^2 + n + 1.at n=37A053698
• a(n) = Z(S_m; sigma[1](n), sigma[2](n),..., sigma[m](n)) where Z(S_m; x_1,x_2,...,x_m) is the cycle index of the symmetric group S_m and sigma[k](n) is the sum of k-th powers of divisors of n; m=3.at n=36A068020
• a(n) = n*(n - 1)*(2*n^2 + n + 2)/6.at n=20A071246
• Triangle T(n,k) giving number of (<=2)-covers of an n-set with k blocks.at n=26A094573
• Number of unlabeled ordered minimal T_0-covers of an n-set, cf. A094545.at n=9A109995
• a(n) = 1 + prime(n) + prime(n)^2 + prime(n)^3.at n=11A131991
• a(n) = 36*n^2 + 2*n.at n=37A158064
• Number of transpose-isomorphism classes of self-orthogonal Latin squares of order n.at n=7A160366
• a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 5.at n=36A160891
• Sum of divisors of cubes.at n=36A175926
• Number of zeros in the period of Fibonacci 5-step sequence A001591 mod n.at n=36A193994
• a(n) = (37^n - 1)/36.at n=4A218740
• Number of length n words on alphabet {0,1} such that the length of every maximal block of 0's (runs) is the same.at n=22A243815
• Indices of primes in A000712.at n=30A285217
• The sum of divisors of the smallest cubefull number that is a multiple of n.at n=36A369720
• The sum of divisors of the smallest cubefull exponentially odd number that is divisible by n.at n=36A369758
• a(n) = sigma_1(n) * sigma_2(n).at n=36A379812
• Expansion of 1/( (1-x)^2 * (1-x-9*x^3) )^(1/3).at n=15A383604