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A204121 as a triangular array

3
-114
-8192
-6815-1968
-816230-26112096
-112483740-56439-1199296
-19840073544-131921222-5613679488
-38776321567824-32030436160-228075-182607616
-91008000

A204121 as a square array

3-1-8-68-816-11248-198400-3877632-91008000
141152303740735441567824
92-1-26-564-13192-320304
968139122236160
12096-1-56-2280
199296175
3679488-1
82607616
3-1-8-68-816-11248-198400-3877632-91008000
141152303740735441567824
92-1-26-564-13192-320304
968139122236160
12096-1-56-2280
199296175
3679488-1
82607616