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

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =0a(5) =2a(6) =2a(7) =3a(8) =4a(9) =6a(10) =7a(11) =10a(12) =11a(13) =15a(14) =18a(15) =23a(16) =27a(17) =36a(18) =42a(19) =52a(20) =64a(21) =79a(22) =94a(23) =117a(24) =139a(25) =171a(26) =206a(27) =248a(28) =296a(29) =361