Number of points in Z^5 of norm <= n.

Terms

a(0) =1a(1) =11a(2) =221a(3) =1343a(4) =5913a(5) =16875a(6) =42205a(7) =89527a(8) =176377a(9) =313259a(10) =532509a(11) =853399a(12) =1322921a(13) =1961211a(14) =2846933a(15) =4005143a(16) =5554265a(17) =7491355a(18) =9977557a(19) =13065527a(20) =16907817a(21) =21524019a(22) =27179909a(23) =33921671a(24) =42036401a(25) =51452803a(26) =62664773