14891626domain: NAppears in sequencesa(n) = A001512(n)/24 = (5*n+1)*(5*n+2)*(5*n+3)*(5*n+4)/24.at n=27A151989Number of 5-member subsets of [5*n] whose elements sum to a multiple of n.at n=28A318626Number of unoriented colorings of the 8 cubic facets of a tesseract or of the 8 vertices of a hyperoctahedron.at n=15A337957