Number of sets of distinct positive integers whose arithmetic mean is an integer, the largest integer of the set being n.

A082550

Number of sets of distinct positive integers whose arithmetic mean is an integer, the largest integer of the set being n.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =3a(4) =7a(5) =11a(6) =19a(7) =31a(8) =59a(9) =103a(10) =187a(11) =343a(12) =631a(13) =1171a(14) =2191a(15) =4095a(16) =7711a(17) =14571a(18) =27595a(19) =52431a(20) =99879a(21) =190651a(22) =364723a(23) =699071a(24) =1342183a(25) =2581111a(26) =4971067a(27) =9586983a(28) =18512791a(29) =35791471

External references