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A287010 as a triangular array

1
21
432
7432
117433
1496544
181186554
2314986655
271711987666
32201411987776
37231613101098877
42261815121110109888

A287010 as a square array

12471114182327323742
13479111417202326
23468911141618
235689111315
3456891012
456781011
4567910
567810
6789
678
78
8
12471114182327323742
13479111417202326
23468911141618
235689111315
3456891012
456781011
4567910
567810
6789
678
78
8