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A273350 as a triangular array

1
11
131
1651
1101671
115403191
1218510551111
12816129521976131
136280721771396106151
145456158223311681650141171
1557053186624460833235995181191

A273350 as a square array

11111111111
13610152128364555
15164085161280456705
173110529572115823186
195121977123316244
1117639616816083
1131066503235
115141995
117181
119
1

A273350 as an upper right triangle

11111111111
13610152128364555
15164085161280456705
173110529572115823186
195121977123316244
1117639616816083
1131066503235
115141995
117181
119
1

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Last modified October 20 20:24 EDT 2019. Contains 328273 sequences. (Running on oeis4.)