Number of partitions p of n such that min(p) + (number of parts of p) is not a part of p.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =7a(5) =9a(6) =14a(7) =19a(8) =27a(9) =36a(10) =51a(11) =66a(12) =90a(13) =118a(14) =156a(15) =201a(16) =264a(17) =336a(18) =434a(19) =550a(20) =700a(21) =880a(22) =1112a(23) =1385a(24) =1733a(25) =2149a(26) =2666a(27) =3283a(28) =4049a(29) =4956