Partial sums of a binomial quotient.

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =11a(5) =17a(6) =24a(7) =33a(8) =44a(9) =57a(10) =72a(11) =89a(12) =109a(13) =131a(14) =156a(15) =184a(16) =215a(17) =250a(18) =288a(19) =330a(20) =376a(21) =426a(22) =480a(23) =538a(24) =601a(25) =668a(26) =740a(27) =817a(28) =899a(29) =987