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A215847 as a triangular array

1
11
111
1111
22422
258852
51510278102155
55236412501250364525
1520384602908415971229084846020315
1587740612908408485136048513609084084061287715
5241401440676

A215847 as a square array

11112255151552
1112515522038774140
11481023648460406121440676
12878125029084908408
2510212501597124851360
215364290844851360
5528460908408
520340612
15877
15
11112255151552
1112515522038774140
11481023648460406121440676
12878125029084908408
2510212501597124851360
215364290844851360
5528460908408
520340612
15877
15