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A156241 as a triangular array

1
-11
-101
0001
-10001
1-1-1001
-1000001
00000001
000000001
1-100-100001
-10000000001
000000000001
-1000000000001
1-10000-100

A156241 as a square array

1-1-10-11-1001-10-11
1000-1000-1000-1
100-100000000
10000000000
10000-10000
100000000
1000000-1
1000000
100000
1000
100
10
1
1-1-10-11-1001-10-11
1000-1000-1000-1
100-100000000
10000000000
10000-10000
100000000
1000000-1
1000000
100000
1000
100
10
1