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A122200 as a triangular array

0
10
210
3210
43210
543210
6543210
76543210
886543210
9776543210
109876543210
11109876543210
1211109876543210
1313111098

A122200 as a square array

012345678910111213
0123456879101113
01234567891011
012345678910
0123456789
012345678
0123456
012345
01234
0123
012
01
0
012345678910111213
0123456879101113
01234567891011
012345678910
0123456789
012345678
0123456
012345
01234
0123
012
01
0