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A072030 as a triangular array

1
22
313
4334
52125
644446
7341437
85255258
945313549
106556655610
1153251523511
12766577566712
136646414646613
1484623883264814

A072030 as a square array

1234567891011121314
2132435465768
331442553664
42415352646
5445165562
632361743
75555718
8452548
963663
105642
11766
1264
138
14

A072030 as an upper right triangle

1234567891011121314
2132435465768
331442553664
42415352646
5445165562
632361743
75555718
8452548
963663
105642
11766
1264
138
14

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)