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A104569 as a triangular array

1
43
541
8743
98541
12118743
131298541
161512118743
1716131298541
2019161512118743
21201716131298541
24232019161512118743
252421201716131298541

A104569 as a square array

145891213161720212425
34781112151619202324
14589121316172021
3478111215161920
1458912131617
347811121516
145891213
34781112
14589
3478
145
34
1
145891213161720212425
34781112151619202324
14589121316172021
3478111215161920
1458912131617
347811121516
145891213
34781112
14589
3478
145
34
1