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A053121 as a triangular array

1
01
101
0201
20301
050401
5090501
0140140601
140280200701
0420480270801
420900750350901
01320165011004401001
1320297027501540540110

A053121 as a square array

10102050140420132
1020501404201320
103090280900297
10401404801650
1050200750275
10602701100
1070350154
1080440
109054
10100
1011
10

A053121 as an upper right triangle

10102050140420132
1020501404201320
103090280900297
10401404801650
1050200750275
10602701100
1070350154
1080440
109054
10100
1011
10

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Last modified October 19 18:28 EDT 2018. Contains 316377 sequences. (Running on oeis4.)