Number of not unique partition coefficients of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =2a(9) =3a(10) =6a(11) =9a(12) =13a(13) =22a(14) =33a(15) =51a(16) =74a(17) =104a(18) =142a(19) =194a(20) =261a(21) =351a(22) =464a(23) =616a(24) =802a(25) =1047a(26) =1344a(27) =1716a(28) =2186a(29) =2766