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A173304 as a triangular array

1
11
111
1221
23244
346478
618119212
15123142017521
26237243531113445
4115415855211557571
2916696934028812112053
3105154154725137193196947

A173304 as a square array

1111236152641293
1123411223151105
12268374166154
1441114245896154
4792035559372
82173121405
1251112137
21345588193
4575121196
7112094
537

A173304 as an upper right triangle

1111236152641293
1123411223151105
12268374166154
1441114245896154
4792035559372
82173121405
1251112137
21345588193
4575121196
7112094
537

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Last modified November 18 11:51 EST 2019. Contains 329261 sequences. (Running on oeis4.)