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A209485 as a triangular array

1
12
131
1444
157154
1612353811
17177214013615
182412839073145843
193120586626063740178177
110403111702717917771208886912199
1114944830141666060778128598118137

A209485 as a square array

11111111111
234567891011
147121724314049
4153572128205311448
43814039086617023014
111367312606717916660
1545837401777160778
43178120888128598
776912118137
199
11111111111
234567891011
147121724314049
4153572128205311448
43814039086617023014
111367312606717916660
1545837401777160778
43178120888128598
776912118137
199