Even values of the PartitionsQ function A000009.

Terms

a(0) =2a(1) =2a(2) =4a(3) =6a(4) =8a(5) =10a(6) =12a(7) =18a(8) =22a(9) =32a(10) =38a(11) =46a(12) =54a(13) =64a(14) =76a(15) =104a(16) =122a(17) =142a(18) =192a(19) =222a(20) =256a(21) =296a(22) =340a(23) =390a(24) =448a(25) =512a(26) =668a(27) =760a(28) =864a(29) =982