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A373173 as a triangular array

1
11
211
5131
151761
5211525101
2031319065151
877163301350140211
4140112796617011050266281
2114712553025777069512646462361
115975151193303410542525228275880750451

A373173 as a square array

11251552203877414021147115975
1111111111
137153163127255511
16259030196630259330
110653501701777034105
1151401050695142525
121266264622827
1284625880
136750
145
1
11251552203877414021147115975
1111111111
137153163127255511
16259030196630259330
110653501701777034105
1151401050695142525
121266264622827
1284625880
136750
145
1