87512domain: NAppears in sequencesExpansion of eta(q)/eta(q^5)^5 in powers of q.at n=55A109063Number of magic labelings with magic sum n of 4th graph shown in link.at n=8A244872Hyper-Wiener index of body-centered cubic grid cells in a row.at n=10A302351a(n) = (1/phi(n)) * Sum_{j=1..n} Sum_{k=1..n} phi(n*j*k).at n=25A372668