Number of 4's in the last section of the set of partitions of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =1a(7) =3a(8) =2a(9) =5a(10) =5a(11) =10a(12) =10a(13) =17a(14) =19a(15) =31a(16) =34a(17) =51a(18) =60a(19) =86a(20) =100a(21) =139a(22) =165a(23) =223a(24) =265a(25) =349a(26) =418a(27) =543a(28) =648a(29) =827