Number of positive solutions to (x_1)^2 + (x_2)^2 + ... + (x_10)^2 <= n^2.

Terms

a(0) =56a(1) =1108a(2) =12098a(3) =84624a(4) =439371a(5) =1785368a(6) =6078048a(7) =18139393a(8) =48586117a(9) =118929400a(10) =270250734a(11) =578320470a(12) =1169522013a(13) =2261784392a(14) =4193751331a(15) =7509793133a(16) =13008356489a(17) =21921125415a(18) =35951569269a(19) =57666975238a(20) =90464266824a(21) =139295784464a(22) =210514511189a(23) =313228848537