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A210868 as a triangular array

1
11
112
1223
12535
1351058
1391020813
1492220381321
1414225138712134
15144051111711303455
1520401051112331302355589
162065105256233474

A210868 as a square array

111111111111
11223344556
22559914142020
3310102222404065
5520205151105105
883838111111256
13137171233233
2121130130474
3434235
5555
89
111111111111
11223344556
22559914142020
3310102222404065
5520205151105105
883838111111256
13137171233233
2121130130474
3434235
5555
89