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A166905 as a triangular array

1
11
641
543391
640380108161
938055101610270251
16357695732285605148570361
33054841933288586320110929136501071491
7591570844437080136589042677008353600316241848641
1952409954

A166905 as a square array

1165464093801635763305484759157081952409954
1433380551095732193328844437080
1910816102856058632013658904
11627051481109292677008
12557013650353600
136107131624
1491848
164
1
1165464093801635763305484759157081952409954
1433380551095732193328844437080
1910816102856058632013658904
11627051481109292677008
12557013650353600
136107131624
1491848
164
1