Number of ways of writing n^2 as a sum of 8 squares.

Terms

a(0) =1a(1) =16a(2) =1136a(3) =12112a(4) =74864a(5) =252016a(6) =859952a(7) =1887888a(8) =4793456a(9) =8830096a(10) =17893136a(11) =28366288a(12) =56672048a(13) =77264112a(14) =134040048a(15) =190776112a(16) =306783344a(17) =386279728a(18) =626936816a(19) =752843856a(20) =1179182864a(21) =1429131216a(22) =2014006448a(23) =2368768912a(24) =3628646192a(25) =3937752016a(26) =5485751952