44380domain: NAppears in sequencesPartial sums of A038580.at n=27A086749Numbers which when multiplied by any repunit prime Rp give a Smith number.at n=24A104167Partial sums of A049486.at n=40A174655Number of triples of triangles that are pairwise edge-disjoint in the complete graph K_n.at n=3A381863