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A097207 as a triangular array

1
13
145
1597
1614169
1720302511
182750553613
193577105914915
110441121821961406417
111541562943783362048119
1126521045067271454028510021
11377275660

A097207 as a square array

111111111111
345678910111213
591420273544546577
716305077112156210275
92555105182294450660
113691196378672
1349140336714
1564204540
1781285
19100
21

A097207 as an upper right triangle

111111111111
345678910111213
591420273544546577
716305077112156210275
92555105182294450660
113691196378672
1349140336714
1564204540
1781285
19100
21

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)