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A072789 as a triangular array

1
22
333
4344
44345
454445
5544555
55555554
546556556
5665556656
56666666655
555666675656
6676675677666
56767766777655

A072789 as a square array

12344455555565
2334555466566
343445666577
44445556666
5455556667
555656677
55566656
4566766
656577
65677
5567
666
65
5

A072789 as an upper right triangle

12344455555565
2334555466566
343445666577
44445556666
5455556667
555656677
55566656
4566766
656577
65677
5567
666
65
5

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Last modified April 24 06:24 EDT 2024. Contains 371918 sequences. (Running on oeis4.)