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A211161 as a triangular array

1
12
113
2214
12315
322416
1332517
42342618
143352719
52443628110
153453729111
62544638210112
16355473

A211161 as a square array

1112131415161
212223242526
31323334353
4142434445
515253545
61626364
7172737
818283
9192
10110
111
12
1112131415161
212223242526
31323334353
4142434445
515253545
61626364
7172737
818283
9192
10110
111
12