Number of partitions in all twice partitions of n.

Terms

a(0) =0a(1) =1a(2) =4a(3) =10a(4) =29a(5) =63a(6) =164a(7) =339a(8) =797a(9) =1640a(10) =3578a(11) =7139a(12) =15210a(13) =29621a(14) =60381a(15) =117116a(16) =232523a(17) =442388a(18) =863069a(19) =1621560a(20) =3105993a(21) =5785525a(22) =10894394a(23) =20083143a(24) =37434186a(25) =68344449a(26) =125774280a(27) =228088127a(28) =415668548a(29) =747660318