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A208930 as a triangular array

1
23
278
2112622
215528860
21986214288164
223128416820916448
2271787101824298428561224
2312361112350074641046487683344
2353021638608015884290403566426592

A208930 as a square array

1222222222
3711151923273135
8265286128178236302
228821441671011121638
60288820182435006080
1649162984746415884
44828561046429040
1224876835664
334426592

A208930 as an upper right triangle

1222222222
3711151923273135
8265286128178236302
228821441671011121638
60288820182435006080
1649162984746415884
44828561046429040
1224876835664
334426592

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)