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A075505 as a triangular array

1
101
100301
1000700601
100001500025001001
1000003100009000065001501
100000063000003010000350000140002101
1000000012700000096600000170100001050000266002801

A075505 as a square array

110100100010000100000100000010000000
130700150003100006300000127000000
160250090000301000096600000
1100650035000017010000
1150140001050000
121026600
1280
1
110100100010000100000100000010000000
130700150003100006300000127000000
160250090000301000096600000
1100650035000017010000
1150140001050000
121026600
1280
1