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A210211 as a triangular array

1
21
341
4881
51419161
6214242321
7307211489641
8401202162901841281
9521784145937063752561
10652606701292153116667585121
11803551090224737543782

A210211 as a square array

1234567891011
14814213040526580
18194272120178260355
116421142164146701090
1328929059312922247
16418470615313754
112837516663782
1256758
1512
1
1234567891011
14814213040526580
18194272120178260355
116421142164146701090
1328929059312922247
16418470615313754
112837516663782
1256758
1512
1