211015212580domain: NAppears in sequencesa(n) = A047752(12n+5).at n=17A047755a(n) = A047766(6n+2).at n=17A047768Number of chiral pairs of dissectable polyhedra with n tetrahedral cells and symmetry of type M.at n=33A047769a(n) = A047769(2n).at n=16A047770