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A177207 as a triangular array

0
01
121
0021
13421
242421
1421421
00000421
421578421
2684268421
163791058421
848484848421
1710591112638421
28428428428421

A177207 as a square array

00101210421812
1203440266478
1242201838104
12410547452
1240729898
12486104114
124858122
1248468
124834
12482
1248
124
12
1
00101210421812
1203440266478
1242201838104
12410547452
1240729898
12486104114
124858122
1248468
124834
12482
1248
124
12
1