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A227042 as a triangular array

1
31
251
5371
37491
7115111
495116131
95113137151
511213758171
11313732179191
61371581791910211

A227042 as a square array

132537495116
153719511313
17415112137
19511313715
111613738
11375217
1158179
117919
11910
121
1
132537495116
153719511313
17415112137
19511313715
111613738
11375217
1158179
117919
11910
121
1