Number of 6's in all the partitions of n into distinct parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =1a(7) =1a(8) =2a(9) =2a(10) =3a(11) =3a(12) =4a(13) =5a(14) =6a(15) =8a(16) =9a(17) =12a(18) =14a(19) =17a(20) =21a(21) =24a(22) =29a(23) =34a(24) =40a(25) =47a(26) =55a(27) =65a(28) =75a(29) =88