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A374440 as a triangular array

1
10
111
1210
13111
141320
1516311
161104430
17115510611
1812162010540
1912873515151011
110136856213520650

A374440 as a square array

111111111111
012345678910
1111111111
01361015212836
12345678
01410203556
136101521
0151535
141020
016
15
0
111111111111
012345678910
1111111111
01361015212836
12345678
01410203556
136101521
0151535
141020
016
15
0