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A248345 as a triangular array

1
-12
2-43
-28-94
3-1221-165
-318-3944-256
4-2466-9680-367
-432-102184-200132-498
5-40150-320430-372203-649
-550-210520-830888-637296-8110
6-60285-8001480-18841673-1024414-10011

A248345 as a square array

1-12-23-34-45-56
2-48-1218-2432-4050-60
3-921-3966-102150-210285
4-1644-96184-320520-800
5-2580-200430-8301480
6-36132-372888-1884
7-49203-6371673
8-64296-1024
9-81414
10-100
11

A248345 as an upper right triangle

1-12-23-34-45-56
2-48-1218-2432-4050-60
3-921-3966-102150-210285
4-1644-96184-320520-800
5-2580-200430-8301480
6-36132-372888-1884
7-49203-6371673
8-64296-1024
9-81414
10-100
11

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Last modified October 15 23:54 EDT 2019. Contains 328038 sequences. (Running on oeis4.)