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A107842 as a triangular array

1
21
551
142081
427544111
13227520877141
4291001910440119171
1430364038082244798170201
486213260155041065946551309230231
167964845062016482792479486022000299261

A107842 as a square array

12514421324291430486216796
152075275100136401326048450
184420891038081550462016
1117744022441065948279
114119798465524794
11717013098602
1202302000
123299
126
1
12514421324291430486216796
152075275100136401326048450
184420891038081550462016
1117744022441065948279
114119798465524794
11717013098602
1202302000
123299
126
1