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A210216 as a triangular array

1
12
133
1374
138145
13820256
1382146417
138215497638
1382155133189929
138215514330934412910
138215514436467459117511
1382155144376894

A210216 as a square array

111111111111
23333333333
3788888888
41420212121212121
525465455555555
64197133143144144
763189309364376
892344674894
9129591
10175
11

A210216 as an upper right triangle

111111111111
23333333333
3788888888
41420212121212121
525465455555555
64197133143144144
763189309364376
892344674894
9129591
10175
11

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Last modified April 7 10:46 EDT 2020. Contains 333301 sequences. (Running on oeis4.)