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A080099 as a triangular array

0
01
002
0123
00004
010145
0022446
01234567
000000008
0101010189
002200228810
01230123891011
00004444888812
010145458989

A080099 as a square array

00000000000000
1010101010101
220022002200
30123012301
4444000044
545010145
66002244
7012345
888888
98989
101088
1189
12
00000000000000
1010101010101
220022002200
30123012301
4444000044
545010145
66002244
7012345
888888
98989
101088
1189
12