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A210741 as a triangular array

1
13
158
171921
19346555
11153141210144
11376257534654377
115103421111119051985987
11713464120414447651259112584
119169925344090381683721557173456765
1

A210741 as a square array

11111111111
35791113151719
819345376103134169
2165141257421641925
55210534111120413440
144654190544479038
3771985651216837
987591121557
258417345
6765
11111111111
35791113151719
819345376103134169
2165141257421641925
55210534111120413440
144654190544479038
3771985651216837
987591121557
258417345
6765