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A047858 as a triangular array

1
21
531
13841
33201151
8148271461
19311263341771
44925614378412081
102557631917493482391
230512807033822051085526101
5121281615358304452361236229111

A047858 as a square array

125133381193449102523055121
138204811225657612802816
141127631433197031535
15143478174382830
16174193205445
172048108236
182355123
192662
11029
111
1
125133381193449102523055121
138204811225657612802816
141127631433197031535
15143478174382830
16174193205445
172048108236
182355123
192662
11029
111
1