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A347293 as a triangular array

1
23
355
4848
59999
6151091015
7131313131313
820820820820
921219212192121
10271827181518271827
1121212121212121212121
124020242040124020242040

A347293 as a square array

123456789101112
358915132021272140
5491013821182120
89913209272124
91013821182120
15132021152140
1389182112
2021272140
21182120
272124
2120
40
123456789101112
358915132021272140
5491013821182120
89913209272124
91013821182120
15132021152140
1389182112
2021272140
21182120
272124
2120
40