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A028412 as a triangular array

1
11
132
1483
1717215
1114872558
11812232930514413
12932313532255129237721
14784257961500515456547398734
17622082444710400516640810593723184258455
11235777

A028412 as a square array

11111111111
13471118294776123
28174812232384222085777
321723291353579624447
555305225515005104005
8144129215456166408
133775473105937
2198723184
342584
55
11111111111
13471118294776123
28174812232384222085777
321723291353579624447
555305225515005104005
8144129215456166408
133775473105937
2198723184
342584
55

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Last modified September 19 04:40 EDT 2024. Contains 376004 sequences. (Running on oeis4.)