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A115718 as a triangular array

1
01
-311
0001
-3-3111
000001
-3-3-31111
00000001
-3-3-3-311111
0000000001
-3-3-3-3-3111111
000000000001
-3-3-3-3-3-31111111
00000000000001

A115718 as a square array

10-30-30-30-30-30-30
110-30-30-30-30-30
1010-30-30-30-30
11010-30-30-30
101010-30-30
1101010-30
10101010
1101010
101010
11010
1010
110
10
1
10-30-30-30-30-30-30
110-30-30-30-30-30
1010-30-30-30-30
11010-30-30-30
101010-30-30
1101010-30
10101010
1101010
101010
11010
1010
110
10
1