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A061928 as a triangular array

6
1212
203020
30606030
4210514010542
5616828028016856
7225250463050425272
903608401260126084036090
11049513202310277223101320495110
13266019803960554455443960

A061928 as a square array

612203042567290110132
123060105168252360495660
206014028050484013201980
30105280630126023103960
42168504126027725544
5625284023105544
7236013203960
90495
110
612203042567290110132
123060105168252360495660
206014028050484013201980
30105280630126023103960
42168504126027725544
5625284023105544
7236013203960
90495
110