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

A298329

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =5a(5) =90a(6) =582a(7) =4081a(8) =45678a(9) =378049a(10) =3844532a(11) =39039539a(12) =395170118a(13) =4589810849a(14) =53154371025a(15) =660113986997

External references