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A156348 as a triangular array

1
11
101
1201
10001
133001
1000001
14040001
106000001
1500500001
10000000001
16101006000001
1000000000001
1700007000000

A156348 as a square array

11111111111111
1020304050607
1003006001000
100040001000
1000050000
100000600
10000007
1000000
100000
10000
1000
100
10
11111111111111
1020304050607
1003006001000
100040001000
1000050000
100000600
10000007
1000000
100000
10000
1000
100
10