Number of periodic multisets of compositions of total weight n.

Terms

a(0) =0a(1) =1a(2) =1a(3) =3a(4) =1a(5) =9a(6) =1a(7) =18a(8) =7a(9) =44a(10) =1a(11) =119a(12) =1a(13) =246a(14) =48a(15) =585a(16) =1a(17) =1470a(18) =1a(19) =3248a(20) =250a(21) =7535a(22) =1a(23) =18114a(24) =42a(25) =40593a(26) =1373a(27) =93726a(28) =1a(29) =218665