Number of 5's in the last section of the set of partitions of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =1a(7) =1a(8) =2a(9) =3a(10) =4a(11) =5a(12) =8a(13) =10a(14) =15a(15) =18a(16) =26a(17) =32a(18) =44a(19) =56a(20) =73a(21) =92a(22) =120a(23) =149a(24) =193a(25) =238a(26) =302a(27) =373a(28) =469a(29) =576