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A133380 as a triangular array

1
11
311
4511
76711
10138911
1617211011124
30263112131138
4252374314151159
6969845057161711

A133380 as a square array

113471016304269
11561317265269
117821313784
11910124350
1111131457
1111516
241117
3811
591
113471016304269
11561317265269
117821313784
11910124350
1111131457
1111516
241117
3811
591