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A164948 as a triangular array

1
1-1
3-41
9-157-1
27-5436-101
81-189162-6613-1
243-648675-360105-161
729-21872673-1755675-15319-1
2187-729010206-79383780-1134210-221
6561-2405737908-3402019278-71821764-27625-1
19683-78732137781-13996891854-4082412474-2592351-281

A164948 as a square array

113927812437292187656119683
-1-4-15-54-189-648-2187-7290-24057-78732
173616267526731020637908137781
-1-10-66-360-1755-7938-34020-139968
11310567537801927891854
-1-16-153-1134-7182-40824
119210176412474
-1-22-276-2592
125351
-1-28
1
113927812437292187656119683
-1-4-15-54-189-648-2187-7290-24057-78732
173616267526731020637908137781
-1-10-66-360-1755-7938-34020-139968
11310567537801927891854
-1-16-153-1134-7182-40824
119210176412474
-1-22-276-2592
125351
-1-28
1