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A342940 as a triangular array

2
34
468
581114
610141822
71217222732
8142026323844
916233037445158
101826344250586674
11202938475665748392
122232425262728292102112
1324354657687990101112123134

A342940 as a square array

2345678910111213
4681012141618202224
8111417202326293235
141822263034384246
2227323742475257
32384450566268
445158657279
5866748290
748392101
92102112
112123
134
2345678910111213
4681012141618202224
8111417202326293235
141822263034384246
2227323742475257
32384450566268
445158657279
5866748290
748392101
92102112
112123
134