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A374452 as a triangular array

1
11
121
1331
14641
15101051
1615201561
172135352171
18285669562881
193684121121843691
1104512019522619512045101

A374452 as a square array

11111111111
12345678910
136101521283645
141020355684120
15153569121195
162156121226
172884195
1836120
1945
110
1
11111111111
12345678910
136101521283645
141020355684120
15153569121195
162156121226
172884195
1836120
1945
110
1