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A331331 as a triangular array

1
11
481
2884211
2801120420401
36401820091001300651
58240349440218400416003120961
110656077459205809440138320013832063841331
24344320194754560170410240486886406086080374528117041761

A331331 as a square array

11428280364058240110656024344320
18841120182003494407745920194754560
12142091002184005809440170410240
140130041600138320048688640
16531201383206086080
1966384374528
113311704
1176
1
11428280364058240110656024344320
18841120182003494407745920194754560
12142091002184005809440170410240
140130041600138320048688640
16531201383206086080
1966384374528
113311704
1176
1