Number of multisets whose right half (inclusive) sums to n.

Terms

a(0) =1a(1) =2a(2) =5a(3) =8a(4) =16a(5) =21a(6) =42a(7) =51a(8) =90a(9) =121a(10) =185a(11) =235a(12) =386a(13) =465a(14) =679a(15) =908a(16) =1261a(17) =1580a(18) =2238a(19) =2770a(20) =3827a(21) =4831a(22) =6314a(23) =7910a(24) =10619a(25) =13074a(26) =16813a(27) =21049a(28) =26934a(29) =33072