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A166555 as a triangular array

1
12
104
1248
100016
12001632
104016064
1248163264128
10000000256
12000000256512
1040000025601024

A166555 as a square array

11111111111
2020202020
440044004
80008000
16161616000
32032000
6464000
128000
256256256
5120
1024
11111111111
2020202020
440044004
80008000
16161616000
32032000
6464000
128000
256256256
5120
1024