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A385866 as a triangular array

1
21
311
4211
53211
643211
7542211
86432111
975432111
10865432111
119765332111
12108754322111
131198654322111

A385866 as a square array

12345678910111213
11234567891011
11234456789
1122345678
112234556
11123345
1112334
111223
11122
1112
111
11
1
12345678910111213
11234567891011
11234456789
1122345678
112234556
11123345
1112334
111223
11122
1112
111
11
1