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A104887 as a triangular array

2
32
532
7532
117532
13117532
1713117532
191713117532
23191713117532
2923191713117532
312923191713117532
37312923191713117532
41373129

A104887 as a square array

2357111317192329313741
23571113171923293137
235711131719232931
2357111317192329
235711131719
2357111317
23571113
235711
2357
235
23
2
2357111317192329313741
23571113171923293137
235711131719232931
2357111317192329
235711131719
2357111317
23571113
235711
2357
235
23
2