Number of ways to partition 2n+1 into positive integers.

Terms

a(0) =1a(1) =3a(2) =7a(3) =15a(4) =30a(5) =56a(6) =101a(7) =176a(8) =297a(9) =490a(10) =792a(11) =1255a(12) =1958a(13) =3010a(14) =4565a(15) =6842a(16) =10143a(17) =14883a(18) =21637a(19) =31185a(20) =44583a(21) =63261a(22) =89134a(23) =124754a(24) =173525a(25) =239943a(26) =329931a(27) =451276a(28) =614154a(29) =831820