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A208516 as a triangular array

1
11
123
1367
1491517
1512243941
1615346610099
17184598178256239
182157135276478653577
192470177395772127516611393
11027842245361145213933834214

A208516 as a square array

11111111111
12345678910
369121518212427
715243445577084
17396698135177224
41100178276395536
992564787721145
23965312752139
57716613383
13934214

A208516 as an upper right triangle

11111111111
12345678910
369121518212427
715243445577084
17396698135177224
41100178276395536
992564787721145
23965312752139
57716613383
13934214

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Last modified April 15 20:35 EDT 2021. Contains 342977 sequences. (Running on oeis4.)