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A127510 as a triangular array

1
-1-2
-1-2-3
0000
-1-2-3-4-5
123456
-1-2-3-4-5-6-7
00000000
000000000
12345678910

A127510 as a square array

1-1-10-11-1001
-2-20-22-2002
-30-33-3003
0-44-4004
-55-5005
6-6006
-7007
008
09
10
1-1-10-11-1001
-2-20-22-2002
-30-33-3003
0-44-4004
-55-5005
6-6006
-7007
008
09
10