Number of ways of writing n as a sum of 12 squares.

Terms

a(0) =1a(1) =24a(2) =264a(3) =1760a(4) =7944a(5) =25872a(6) =64416a(7) =133056a(8) =253704a(9) =472760a(10) =825264a(11) =1297056a(12) =1938336a(13) =2963664a(14) =4437312a(15) =6091584a(16) =8118024a(17) =11368368a(18) =15653352a(19) =19822176a(20) =24832944a(21) =32826112a(22) =42517728a(23) =51425088a(24) =61903776a(25) =78146664a(26) =98021616