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A357704 as a triangular array

1
01
002
0012
00203
002203
0031304
00324204
004262305
0043573305
005384102406
0054861193406
0064115158133507

A357704 as a square array

1000000000000
100000000000
21223344556
2021223344
3034658811
30227465
4033101115
403298
504313
5043
605
60
7
1000000000000
100000000000
21223344556
2021223344
3034658811
30227465
4033101115
403298
504313
5043
605
60
7