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A249982 as a triangular array

4
610
82420
10428864
1264208384136
149042612421606466
161207283030685671381012
18154117862522256043068313803580
20192174411524553721685062458601412727864
22234250819574123154

A249982 as a square array

46810121416182022
1024426490120154192234
2088208426728117817442508
643841242303062521152419574
136160668562256055372123154
466713843068168506
101231380245860
3580141272
7864
46810121416182022
1024426490120154192234
2088208426728117817442508
643841242303062521152419574
136160668562256055372123154
466713843068168506
101231380245860
3580141272
7864