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A106740 as a triangular array

2
13
115
2118
111113
1311121
21121134
115111155
1111111189
231813211144
1111111111233
111113111111377
215211251211610

A106740 as a square array

2112112112112
311131113111
51111511115
8112118112
13111111131
211113111
34112112
5511115
891111
144112
23311
3771
610
2112112112112
311131113111
51111511115
8112118112
13111111131
211113111
34112112
5511115
891111
144112
23311
3771
610