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A247299 as a triangular array

1
01
011
1021
12131
243341
5695651
1015151691061
2233333226161571
507178666041272181
11316317115812510364432891
260374391360295225167996536101

A247299 as a square array

1001125102250113260
110246153371163374
12139153378171391
1335163266158360
14692660125295
15101641103225
16152764167
17214399
182865
1936
110
1
1001125102250113260
110246153371163374
12139153378171391
1335163266158360
14692660125295
15101641103225
16152764167
17214399
182865
1936
110
1