78894domain: NAppears in sequencesCoordination sequence for 4-dimensional I-centered cubic orthogonal lattice.at n=27A008532Number of partitions of n into parts but with two kinds of parts of sizes 1,2,3,4 and 5.at n=25A103924Numbers k such that Sum_{i=1..k} i' == 0 (mod k), where i' is the arithmetic derivative of i.at n=7A229501