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A155102 as a triangular array

1
-21
001
0-301
00001
00-4001
0000001
000-50001
000000001
0000-600001
00000000001
00000-7000001
0000000000001
000000-80000

A155102 as a square array

1-2000000000000
10-30000000000
100-400000000
1000-5000000
10000-60000
100000-700
1000000-8
1000000
100000
10000
1000
10
1
1-2000000000000
10-30000000000
100-400000000
1000-5000000
10000-60000
100000-700
1000000-8
1000000
100000
10000
1000
10
1