Integer sequence

fifth power dodecagonal number Look-and-say sequence hexagonal number decimal representation centered polyhedral number taxicab number Recamán's sequence Irrationality sequence Lucas sequence Leonardo number hendecagonal number square triangular number centered polygonal number natural number weird number lazy caterer's sequence Sylvester's sequence triangular number star number odious number evil number K-regular sequence octagonal number Leyland number Gould's sequence set of natural numbers seventh power juggler sequence Lah number Aronson's sequence square number square-free integer divisibility sequence practical number harmonic divisor number Katydid sequence Behrend sequence decagonal number pentagonal number Pernicious number pyramidal number Beatty sequence polygonal number fourth power Euler number heptagonal number tetrahedral number