5028751
domain: N
Appears in sequences
- Number of sublattices of index n in generic 9-dimensional lattice.at n=5A038996
- a(n) = (36^n/6)*B(2n,1/6)/B(2n) where B(n,x) is the n-th Bernoulli polynomial and B(k) = B(k,0) is the k-th Bernoulli number.at n=4A096054
- a(n) = sigma(6^(n-1)).at n=8A160869
- a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 10.at n=5A160953
- a(n) = sigma_1(n) * sigma_3(n).at n=35A379813