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A147308 as a triangular array

1
01
-101
0-401
50-1001
0400-2001
-6101750-3501
0-76805600-5601
13850-4996014700-8401
0243200-22720033600-12001
-5052102144450

A147308 as a square array

10-1050-61013850-50521
10-40400-7680243200
10-1001750-49960214445
10-2005600-227200
10-35014700
10-5603360
10-840
10-120
10
1
10-1050-61013850-50521
10-40400-7680243200
10-1001750-49960214445
10-2005600-227200
10-35014700
10-5603360
10-840
10-120
10
1