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A103451 as a triangular array

1
11
101
1001
10001
100001
1000001
10000001
100000001
1000000001
10000000001
100000000001
1000000000001
10000000000001

A103451 as a square array

11111111111111
1000000000000
100000000000
10000000000
1000000000
100000000
10000000
1000000
100000
10000
1000
100
10
1
11111111111111
1000000000000
100000000000
10000000000
1000000000
100000000
10000000
1000000
100000
10000
1000
100
10
1