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A115513 as a triangular array

1
-11
001
0001
1-1001
000001
0000001
00-100001
000000001
0000000001
000-10000001
000000000001
0000000000001
-1100-1000000001
00000000000000

A115513 as a square array

1-100100000000-10
100-10000000010
10000-10000000
1000000-10000
100000000-10
1000000000
100000000
10000000
1000000
100000
10000
1000
100
10
1-100100000000-10
100-10000000010
10000-10000000
1000000-10000
100000000-10
1000000000
100000000
10000000
1000000
100000
10000
1000
100
10