Number of partitions p of n such that 2*min(p) is a part of p.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =4a(6) =5a(7) =8a(8) =13a(9) =17a(10) =24a(11) =36a(12) =47a(13) =64a(14) =88a(15) =116a(16) =153a(17) =203a(18) =261a(19) =340a(20) =439a(21) =559a(22) =710a(23) =905a(24) =1136a(25) =1427a(26) =1786a(27) =2223a(28) =2756a(29) =3415