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A065305 as a triangular array

3
45
567
78911
89101213
101112141517
11121315161819
1314151718202123
161718202123242629
17181921222425273031
2021222425272830333437
22232426272930

A065305 as a square array

3457810111316172022
568911121417182123
791012131518192224
111214151720212426
1315161821222527
17182023242729
192124252830
23262730
293033
3134
37
3457810111316172022
568911121417182123
791012131518192224
111214151720212426
1315161821222527
17182023242729
192124252830
23262730
293033
3134
37