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A361870 as a triangular array

2
21
221
2321
26621
2101022221
2208548285228840221
23642117443843073068072693766296489398464125698304122815821

A361870 as a square array

22222222
1236102036
12610285484211744
12222852288384307306807269376
124026296489398464125698304
121228158
12
1
22222222
1236102036
12610285484211744
12222852288384307306807269376
124026296489398464125698304
121228158
12
1