Even partition numbers.

Terms

a(0) =2a(1) =22a(2) =30a(3) =42a(4) =56a(5) =176a(6) =490a(7) =792a(8) =1002a(9) =1958a(10) =2436a(11) =3010a(12) =3718a(13) =5604a(14) =6842a(15) =12310a(16) =37338a(17) =53174a(18) =89134a(19) =105558a(20) =124754a(21) =204226a(22) =451276a(23) =614154a(24) =715220a(25) =831820a(26) =1300156a(27) =1741630a(28) =2012558a(29) =2323520