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A177717 as a triangular array

2
11
202
1221
20602
134431
201101102
1461010641
201703001702
15820212120851

A177717 as a square array

2121212121
102030405
2264116178
104010020
2311103021
106021
241720
108
25
1
2121212121
102030405
2264116178
104010020
2311103021
106021
241720
108
25
1