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A209155 as a triangular array

-1
-11
-13-1
-11-21
-15-55-1
-11-55-31
-17-735-77-1
-14-287-1414-41

A209155 as a square array

-1-1-1-1-1-1-1-1
1315174
-1-2-5-5-7-28
155357
-1-3-7-14
1714
-1-4
1
-1-1-1-1-1-1-1-1
1315174
-1-2-5-5-7-28
155357
-1-3-7-14
1714
-1-4
1