Highly composite numbers of class 3 (see comment in A275239).

Terms

a(0) =7a(1) =14a(2) =28a(3) =42a(4) =90a(5) =216a(6) =300a(7) =504a(8) =1296a(9) =1344a(10) =1512a(11) =1980a(12) =3024a(13) =3960a(14) =8640a(15) =9360a(16) =11880a(17) =15840a(18) =22680a(19) =33600a(20) =35280a(21) =36960a(22) =70560a(23) =85680a(24) =120960a(25) =151200a(26) =249480a(27) =342720a(28) =415800a(29) =856800