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A364911 as a triangular array

1
11
121
1312
14232
152533
1638444
173116665
18414981076
194191111141198
11052314152115141110
1115281719282220171512

A364911 as a square array

111111111111
1234567891011
1122334455
23581114192328
23469111417
3468111519
4610142128
57111522
691420
81117
1015
12
111111111111
1234567891011
1122334455
23581114192328
23469111417
3468111519
4610142128
57111522
691420
81117
1015
12