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A373398 as a triangular array

1
11
131
1791
11555251
131285395651
1631351504525551611
112760695693178685152113851
12552633559272520911711101021850998971
1511111645583451550334765675903871416940545431520491

A373398 as a square array

1111111111
137153163127255511
19552851351606926335111645
1253955045569315927255834515
165255578685209117150334765
116115211110102167590387
13858509914169405
1897454315
12049
1
1111111111
137153163127255511
19552851351606926335111645
1253955045569315927255834515
165255578685209117150334765
116115211110102167590387
13858509914169405
1897454315
12049
1