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A225203 as a triangular array

1
02
103
0004
12005
000006
1030007
02000008
100400009
00000000010

A225203 as a square array

1010101010
200200200
30003000
4000040
500000
60000
7000
800
90
10
1010101010
200200200
30003000
4000040
500000
60000
7000
800
90
10