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A115512 as a triangular array

1
11
001
0001
01001
000001
0000001
00100001
000000001
0000000001
00010000001
000000000001
0000000000001
00001000000001

A115512 as a square array

11000000000000
1001000000000
100001000000
10000001000
1000000001
100000000
10000000
1000000
100000
10000
1000
100
10
1

A115512 as an upper right triangle

11000000000000
1001000000000
100001000000
10000001000
1000000001
100000000
10000000
1000000
100000
10000
1000
100
10
1

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Last modified July 30 07:41 EDT 2021. Contains 346348 sequences. (Running on oeis4.)