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A294616 as a triangular array

1
1-1
1-1-1
1-1-21
1-1-40-1
1-1-8-6-1241
1-1-16-30-72180-131
1-1-32-114-360840-10801499
1-1-64-390-16564200-864015120-4159
1-1-128-1266-727222440-69120161280-45360

A294616 as a square array

1111111111
-1-1-1-1-1-1-1-1-1
-1-2-4-8-16-32-64-128
10-6-30-114-390-1266
-1-12-72-360-1656-7272
41180840420022440
-131-1080-8640-69120
149915120161280
-4159-45360
1111111111
-1-1-1-1-1-1-1-1-1
-1-2-4-8-16-32-64-128
10-6-30-114-390-1266
-1-12-72-360-1656-7272
41180840420022440
-131-1080-8640-69120
149915120161280
-4159-45360