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A256548 as a triangular array

1
01
013
02913
06337873
024150455730501
01208222925620575154051
072052922111253655876758507137633
050403920417071649413798196013044221053724394353

A256548 as a square array

100000000
1126241207205040
3933150822529239204
1378455292521112170716
73730620553655494137
501751587675981960
4051850711304422
376331053724
394353
100000000
1126241207205040
3933150822529239204
1378455292521112170716
73730620553655494137
501751587675981960
4051850711304422
376331053724
394353