Number of partitions p of n such that 2(number of parts of p) - min(p) is a part of p.

Terms

a(0) =1a(1) =0a(2) =0a(3) =2a(4) =1a(5) =1a(6) =2a(7) =3a(8) =4a(9) =5a(10) =6a(11) =8a(12) =10a(13) =13a(14) =15a(15) =22a(16) =24a(17) =31a(18) =39a(19) =48a(20) =56a(21) =73a(22) =84a(23) =106a(24) =127a(25) =153a(26) =181a(27) =226a(28) =263a(29) =317