338921domain: NAppears in sequencesNumber of sublattices of index n in generic 5-dimensional lattice.at n=20A038992Least of five consecutive numbers which are cubefree and not squarefree, i.e., {k, k+1, k+2, k+3, k+4} are in A067259.at n=11A071124a(n) = Sum_{d|n} Möbius(n/d)*d^5/phi(n).at n=20A160893a(n) = sigma(n^4).at n=20A202994