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A355859 as a triangular array

1
02
203
0304
30405
040506
4050607
05060708
506070809
06070809010
6070809010011
070809010011012
70809010011012013
0

A355859 as a square array

10203040506070
203040506070
30405060708
4050607080
506070809
60708090
70809010
8090100
9010011
100110
11012
120
13
10203040506070
203040506070
30405060708
4050607080
506070809
60708090
70809010
8090100
9010011
100110
11012
120
13