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

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =6a(6) =8a(7) =10a(8) =14a(9) =18a(10) =22a(11) =29a(12) =36a(13) =46a(14) =59a(15) =72a(16) =88a(17) =110a(18) =132a(19) =160a(20) =194a(21) =232a(22) =276a(23) =330a(24) =392a(25) =464a(26) =550a(27) =648a(28) =760a(29) =894