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A103884 as a triangular array

1
18
11816
1326624
15019214632
17245060825840
1989121970140840248
1128166653365890272057856
11622816126422025614002467278664
12004482270085990658728286107392102672

A103884 as a square array

1111111111
81832507298128162200
1666192450912166628164482
24146608197053361264227008
32258140858902025659906
4040227201400258728
48578467228610
567867392
641026
72
1111111111
81832507298128162200
1666192450912166628164482
24146608197053361264227008
32258140858902025659906
4040227201400258728
48578467228610
567867392
641026
72