Second differences of the overpartitions.

Terms

a(0) =1a(1) =2a(2) =2a(3) =4a(4) =6a(5) =8a(6) =12a(7) =18a(8) =24a(9) =34a(10) =48a(11) =64a(12) =88a(13) =120a(14) =158a(15) =212a(16) =282a(17) =368a(18) =484a(19) =632a(20) =816a(21) =1056a(22) =1360a(23) =1738a(24) =2220a(25) =2826a(26) =3576a(27) =4520a(28) =5696a(29) =7144