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A212248 as a triangular array

1
-11
0-10
1-10-1
1101-1
-250312
-95024-29
-9-210-155-10-99
50-1050-62-19-18-54-9-50
267-1410-56-11942-126-6350-267

A212248 as a square array

1-1011-2-9-950267
1-1-1155-21-105-141
00000000
-1132-15-62-56
-1145-19-119
2-2-10-1842
9-9-54-126
9-9-63
-5050
-267
1-1011-2-9-950267
1-1-1155-21-105-141
00000000
-1132-15-62-56
-1145-19-119
2-2-10-1842
9-9-54-126
9-9-63
-5050
-267