Expansion of (1 + x - x^5) / (1 - x)^3.

Terms

a(0) =1a(1) =4a(2) =9a(3) =16a(4) =25a(5) =35a(6) =46a(7) =58a(8) =71a(9) =85a(10) =100a(11) =116a(12) =133a(13) =151a(14) =170a(15) =190a(16) =211a(17) =233a(18) =256a(19) =280a(20) =305a(21) =331a(22) =358a(23) =386a(24) =415a(25) =445a(26) =476a(27) =508a(28) =541a(29) =575