Number of partitions of n that have integer contraharmonic mean.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =2a(5) =6a(6) =3a(7) =7a(8) =5a(9) =8a(10) =5a(11) =17a(12) =8a(13) =21a(14) =14a(15) =31a(16) =18a(17) =49a(18) =28a(19) =56a(20) =42a(21) =90a(22) =52a(23) =146a(24) =77a(25) =189a(26) =118a(27) =257a(28) =158a(29) =370