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A166301 as a triangular array

1
00
001
0001
00002
000013
0000125
00001268
00001281313
00001210192921
0000121225516034
00001214317812012255
0000121637110200282241

A166301 as a square array

1000000000000
000000000000
10000000000
1000000000
211111111
32222222
56810121416
81319253137
13295178110
2160120200
34122282
55241
1000000000000
000000000000
10000000000
1000000000
211111111
32222222
56810121416
81319253137
13295178110
2160120200
34122282
55241