Number of ways to partition 2n into positive integers.

Terms

a(0) =1a(1) =2a(2) =5a(3) =11a(4) =22a(5) =42a(6) =77a(7) =135a(8) =231a(9) =385a(10) =627a(11) =1002a(12) =1575a(13) =2436a(14) =3718a(15) =5604a(16) =8349a(17) =12310a(18) =17977a(19) =26015a(20) =37338a(21) =53174a(22) =75175a(23) =105558a(24) =147273a(25) =204226a(26) =281589a(27) =386155a(28) =526823a(29) =715220