Sum of the areas of the Durfee squares of all partitions of n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =8a(4) =13a(5) =26a(6) =39a(7) =64a(8) =98a(9) =148a(10) =216a(11) =322a(12) =455a(13) =648a(14) =904a(15) =1258a(16) =1711a(17) =2336a(18) =3128a(19) =4198a(20) =5548a(21) =7330a(22) =9569a(23) =12496a(24) =16146a(25) =20836a(26) =26674a(27) =34098a(28) =43273a(29) =54846