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A290320 as a triangular array

1
11
110
1221
12210
134200
1355310
1491313941
14913139410
151425302412300
15153042423015510
1621487581603010200

A290320 as a square array

111111111111
11223344556
0224599141521
11251313253048
0031313304275
0199244281
044123060
1131530
00510
012
00
0
111111111111
11223344556
0224599141521
11251313253048
0031313304275
0199244281
044123060
1131530
00510
012
00
0