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A373949 as a triangular array

1
01
011
0103
01124
010447
01156514
010610101423
01161412292639
0109161940544671
0118222264829692124
01010263082137144204176214

A373949 as a square array

100000000000
11111111111
1010101010
3245669810
4461014162226
751012192230
141429406482
23265482137
394696144
7192204
124176
214
100000000000
11111111111
1010101010
3245669810
4461014162226
751012192230
141429406482
23265482137
394696144
7192204
124176
214