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A198321 as a triangular array

1
01
012
0133
01464
01510105
0161520156
017213535217
01828567056288
019368412612684369
0110451202102522101204510
011155165330

A198321 as a square array

100000000000
11111111111
234567891011
3610152128364555
41020355684120165
5153570126210330
62156126252
72884210
836120
945
10
100000000000
11111111111
234567891011
3610152128364555
41020355684120165
5153570126210330
62156126252
72884210
836120
945
10