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A193973 as a triangular array

2
35
479
591214
611151820
71318222527
8152126303335
917243035394244
101927344045495254
11213038455156606365
1223334250576368727577
13253646

A193973 as a square array

2345678910111213
5791113151719212325
9121518212427303336
141822263034384246
20253035404550
273339455157
3542495663
44526068
546372
6575
77

A193973 as an upper right triangle

2345678910111213
5791113151719212325
9121518212427303336
141822263034384246
20253035404550
273339455157
3542495663
44526068
546372
6575
77

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Last modified March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)