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A115363 as a triangular array

1
21
001
3201
00001
002001
0000001
43020001
000000001
0000200001
00000000001
003002000001
0000000000001
00000020000001

A115363 as a square array

12030004000000
1020003000000
100200000300
10002000000
1000020000
100000200
10000002
1000000
100000
10000
1000
100
10
1
12030004000000
1020003000000
100200000300
10002000000
1000020000
100000200
10000002
1000000
100000
10000
1000
100
10
1