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A103242 as a triangular array

1
31
3981
1206176151
691897784495241
6416568585408294301104351
881032059674819282791125846002135481
1685148153601111154752038924460098417282044703744631
42934911510249

A103242 as a square array

1339120669189641656888103205916851481536042934911510249
1817677845854086748192811111547520
115495294302791125389244600
1241104846009841728
1352135204470
1483744
163
1
1339120669189641656888103205916851481536042934911510249
1817677845854086748192811111547520
115495294302791125389244600
1241104846009841728
1352135204470
1483744
163
1