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A222906 as a triangular array

1
12
145
471415
525457551
1492373767411187
174031202779449092522715
75171018981101398180203119393159192795
9580218202013460672117424432043175989110362711051
41136160

A222906 as a square array

1114514177595411
24725924031710802136160
5144537312021898182020
157576777941013981346067
5141149091802032117424
18725221193934320431
71515919759891
2795103627
11051
1114514177595411
24725924031710802136160
5144537312021898182020
157576777941013981346067
5141149091802032117424
18725221193934320431
71515919759891
2795103627
11051