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A178994 as a triangular array

1
22
232
3443
34543
356653
3667663
46788764
478898874
478910109874
5791011111110975
57101112121212111075
5810111212131212111085
5811

A178994 as a square array

12233334445555
2344566777788
245667889101011
3467889101111
3568910111212
367810111212
3689111213
478101212
4791112
471011
5710
58
5
12233334445555
2344566777788
245667889101011
3467889101111
3568910111212
367810111212
3689111213
478101212
4791112
471011
5710
58
5