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A128980 as a triangular array

1
01
101
0001
30001
010001
5000001
00000001
001000001
0300000001

A128980 as a square array

1010305000
100010003
10000010
1000000
100000
10000
1000
100
10
1
1010305000
100010003
10000010
1000000
100000
10000
1000
100
10
1