81604378624domain: NAppears in sequencesNumbers of polypentagons with two connected internal vertices (see Cyvin et al. for precise definition).at n=35A122742Least number of the form 11*m-1 with exactly n prime factors, counted with multiplicity.at n=32A225210The hyper-Wiener index of the hypercube graph Q(n) (n>=2).at n=14A228310