Triangle read by rows giving the number of square arrays composed of the numbers from 1 to n^2, counted up to rotation and reflection, with heterogeneity k, i.e., number of k different sums of rows, columns or diagonals with 1 <= k <= 2*n+2 for n > 1.
A364527
Triangle read by rows giving the number of square arrays composed of the numbers from 1 to n^2, counted up to rotation and reflection, with heterogeneity k, i.e., number of k different sums of rows, columns or diagonals with 1 <= k <= 2*n+2 for n > 1.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =3a(6) =0a(7) =1a(8) =22a(9) =346a(10) =2060a(11) =7989a(12) =17160a(13) =14662a(14) =3120a(15) =880
External references
- oeis: A364527