Sum of the sizes of the Durfee squares of all partitions of n into odd parts.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =5a(6) =6a(7) =8a(8) =12a(9) =16a(10) =20a(11) =27a(12) =34a(13) =43a(14) =56a(15) =68a(16) =84a(17) =104a(18) =126a(19) =153a(20) =187a(21) =222a(22) =266a(23) =317a(24) =378a(25) =445a(26) =528a(27) =620a(28) =728a(29) =853