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A157528 as a triangular array

1
11
121
1441
16861
18121281
110161816101
11220242420121
1142430323024141
116283640403628161
11832424850484232181

A157528 as a square array

11111111111
124681012141618
148121620242832
16121824303642
181624324048
11020304050
112243648
1142842
11632
118
1
11111111111
124681012141618
148121620242832
16121824303642
181624324048
11020304050
112243648
1142842
11632
118
1