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A054242 as a triangular array

1
11
121
2332
25552
379973
410141714104
51421272721145
6193142464231196
825446474746444258
1033619311612311693613310

A054242 as a square array

111223456810
123571014192533
13591421314461
2591727426493
2714274674116
310214274123
4143164116
5194493
62561
833
10
111223456810
123571014192533
13591421314461
2591727426493
2714274674116
310214274123
4143164116
5194493
62561
833
10