Number of 5's in all partitions of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =2a(7) =3a(8) =5a(9) =8a(10) =12a(11) =17a(12) =25a(13) =35a(14) =50a(15) =68a(16) =94a(17) =126a(18) =170a(19) =226a(20) =299a(21) =391a(22) =511a(23) =660a(24) =853a(25) =1091a(26) =1393a(27) =1766a(28) =2235a(29) =2811