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A345067 as a triangular array

1
22
242
6446
66466
661166
156292615
151529921515
151515999151515
1515152992151515
15151524942151515
401515644446151540

A345067 as a square array

122666151515151540
2446661515151515
24412215151515
661999226
66299944
6629994
151515244
15151524
1515156
151515
1515
40
122666151515151540
2446661515151515
24412215151515
661999226
66299944
6629994
151515244
15151524
1515156
151515
1515
40