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A181650 as a triangular array

1
-11
-101
00-11
00-101
0000-11
0000-101
000000-11
000000-101
00000000-11
00000000-101

A181650 as a square array

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