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A239306 as a triangular array

1
12
135
1236
153611
1341079
13485109
14507101713
1340718151116
13457149111319
134560109141716
134589101823171527
13406269151411

A239306 as a square array

1111111111111
232533433333
53344544444
66108005550
1175777686
9101018140926
91715910109
13111191815
1613142314
19171711
1615
27

A239306 as an upper right triangle

1111111111111
232533433333
53344544444
66108005550
1175777686
9101018140926
91715910109
13111191815
1613142314
19171711
1615
27

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)