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A211707 as a triangular array

1
22
332
4542
56652
687752
79108852
81111119952
91213131210952
10141515141311952
1115171716151412952
121718191917161512952
131821

A211707 as a square array

12345678910111213
235689111214151718
246710111315171821
25781113151719
258912141619
25910131517
259111416
2591215
25912
259
25
2
12345678910111213
235689111214151718
246710111315171821
25781113151719
258912141619
25910131517
259111416
2591215
25912
259
25
2