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A204130 as a triangular array

1
-12
-416
-168-136
-10869-151360
-1152834-23026-16120
-2030415726-4890693-441171360
-580752467724-15552424797-196373-17882560
-2705731222300752-7709504

A204130 as a square array

1-1-4-16-108-1152-20304-580752-27057312
218698341572646772422300752
6-1-15-230-4890-155524-7709504
3612669324797
360-1-44-1963
6120173
171360-1
7882560
1-1-4-16-108-1152-20304-580752-27057312
218698341572646772422300752
6-1-15-230-4890-155524-7709504
3612669324797
360-1-44-1963
6120173
171360-1
7882560