Number of 5's in all the partitions of n into distinct parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =1a(7) =2a(8) =2a(9) =2a(10) =3a(11) =4a(12) =4a(13) =6a(14) =8a(15) =9a(16) =11a(17) =14a(18) =16a(19) =19a(20) =23a(21) =27a(22) =32a(23) =38a(24) =45a(25) =53a(26) =62a(27) =72a(28) =84a(29) =97