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A268915 as a triangular array

-1
1-1
11-1
111-1
-11111-1-5
-1111-1-1
-1311232311-13-7
-111131131-11-2
-1111131311-11-3
-23-1131151113-1-23-5
-61-13234759594723-13-61-11
-13-1111111111-1-13-1

A268915 as a square array

-1111-1-1-13-11-11-23-61-13
-1111111111-1-13-1
-111112313113231
-1-112311311471
-5-111131355911
-1-131111591
-7-111134711
-2-11-1231
-3-23-131
-5-61-1
-11-13
-1
-1111-1-1-13-11-11-23-61-13
-1111111111-1-13-1
-111112313113231
-1-112311311471
-5-111131355911
-1-131111591
-7-111134711
-2-11-1231
-3-23-131
-5-61-1
-11-13
-1