499255domain: NAppears in sequencesNumber of sublattices of index n in generic 5-dimensional lattice.at n=21A038992a(n) = Sum_{d|n} Möbius(n/d)*d^5/phi(n).at n=21A160893Permutations in S_n avoiding the patterns {4321, 34512, 45123, 35412, 43512, 45132, 45213, 53412, 45312, 45231}.at n=11A191721a(n) = sigma(n^4).at n=21A202994