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

A232173

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

Terms

    a(0) =1a(1) =2a(2) =4a(3) =30a(4) =24a(5) =1210a(6) =18396a(7) =235998a(8) =4793456a(9) =76168850a(10) =1282320348a(11) =25100418046a(12) =481341997032

External references