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A204008 as a triangular array

1
44
757
108810
131191113
161412121416
19171513151719
2220181616182022
252321191719212325
28262422202022242628
3129272523212325272931
343230

A204008 as a square array

147101316192225283134
4581114172023262932
78912151821242730
1011121316192225
13141516172023
161718192021
1920212223
22232425
252627
2829
31
147101316192225283134
4581114172023262932
78912151821242730
1011121316192225
13141516172023
161718192021
1920212223
22232425
252627
2829
31