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A350281 as a triangular array

0
01
011
1504
041301
4541510
0415512
015225054
1601121451
1010601111125
529011111112
511349041708088
2730413513851025370

A350281 as a square array

000104001610552
1154541010629173
1013415100130
40152111494
15525211013
101011145
254111713
451108
12185
51010
2825
837
0
000104001610552
1154541010629173
1013415100130
40152111494
15525211013
101011145
254111713
451108
12185
51010
2825
837
0