G.f.: 1/((1-x)*(1-x^2)*(1-x^3)^2*(1-x^4)*(1-x^5)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =6a(5) =9a(6) =14a(7) =19a(8) =27a(9) =37a(10) =49a(11) =64a(12) =84a(13) =106a(14) =134a(15) =168a(16) =207a(17) =253a(18) =309a(19) =371a(20) =445a(21) =530a(22) =626a(23) =736a(24) =863a(25) =1003a(26) =1163a(27) =1343a(28) =1543a(29) =1766