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A364912 as a triangular array

1
01
012
0123
01445
014877
01613171211
0161828301915
018245058533022

A364912 as a square array

100000000
11111111
2244668
348131824
57172850
7123058
111953
1530
22
100000000
11111111
2244668
348131824
57172850
7123058
111953
1530
22