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A058730 as a triangular array

1
11
121
1431
191141
123492251
1686172174061
138318598118893610926671
152494884573865

A058730 as a square array

111111111
124923683835249
1311496171859814884573865
1422217188936
15401092
1666
17
1

A058730 as an upper right triangle

111111111
124923683835249
1311496171859814884573865
1422217188936
15401092
1666
17
1

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Last modified April 3 19:35 EDT 2020. Contains 333198 sequences. (Running on oeis4.)