Expansion of (1-x^5) / (1-x)^5.

Terms

a(0) =1a(1) =5a(2) =15a(3) =35a(4) =70a(5) =125a(6) =205a(7) =315a(8) =460a(9) =645a(10) =875a(11) =1155a(12) =1490a(13) =1885a(14) =2345a(15) =2875a(16) =3480a(17) =4165a(18) =4935a(19) =5795a(20) =6750a(21) =7805a(22) =8965a(23) =10235a(24) =11620a(25) =13125a(26) =14755a(27) =16515a(28) =18410a(29) =20445