Unitary harmonic numbers (those for which the unitary harmonic mean is an integer).

Terms

a(0) =1a(1) =6a(2) =45a(3) =60a(4) =90a(5) =420a(6) =630a(7) =1512a(8) =3780a(9) =5460a(10) =7560a(11) =8190a(12) =9100a(13) =15925a(14) =16632a(15) =27300a(16) =31500a(17) =40950a(18) =46494a(19) =51408a(20) =55125a(21) =64260a(22) =66528a(23) =81900a(24) =87360a(25) =95550a(26) =143640a(27) =163800a(28) =172900a(29) =185976