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A130266 as a triangular array

1
12
413
2514
72615
382716
10392817
4113102918
1341231121019
514413312211110
16515414313212111
617516415314213

A130266 as a square array

114273104135166
21528311414517
316293124155
417210313416
5182113144
619212315
71102133
8111214
91122
10113
11
114273104135166
21528311414517
316293124155
417210313416
5182113144
619212315
71102133
8111214
91122
10113
11