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A076221 as a triangular array

0
11
222
3232
43434
534352
6454636
74647374
856583856
9575839574
10686941068510
1168610411685114
127971151279612512

A076221 as a square array

0123456789101112
122334455667
23445667889
2334455667
45678891011
23333445
6789101112
455667
67889
4556
101112
45
12

A076221 as an upper right triangle

0123456789101112
122334455667
23445667889
2334455667
45678891011
23333445
6789101112
455667
67889
4556
101112
45
12

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Last modified September 7 01:23 EDT 2024. Contains 375728 sequences. (Running on oeis4.)