Expansion of g.f. x*(1+x)^4/(1-x)^6.

Terms

a(0) =0a(1) =1a(2) =10a(3) =51a(4) =180a(5) =501a(6) =1182a(7) =2471a(8) =4712a(9) =8361a(10) =14002a(11) =22363a(12) =34332a(13) =50973a(14) =73542a(15) =103503a(16) =142544a(17) =192593a(18) =255834a(19) =334723a(20) =432004a(21) =550725a(22) =694254a(23) =866295a(24) =1070904a(25) =1312505a(26) =1595906a(27) =1926315a(28) =2309356a(29) =2751085