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A072528 as a triangular array

1
22
131
2214
11231
141213
3111422
11232211
612111251
2111414121
14313111153
212111243212
1116132211112
51322111161412

A072528 as a square array

12121131621215
2321411114111
112112213213
43213111162
1142143112
322111131
21241221
1511421
121311
15216
3111
214
21
2
12121131621215
2321411114111
112112213213
43213111162
1142143112
322111131
21241221
1511421
121311
15216
3111
214
21
2